diff --git a/Cargo.lock b/Cargo.lock
index d7807d4..ef55e29 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5,54 +5,43 @@ name = "async-attributes"
 version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "async-std"
-version = "1.5.0"
+version = "1.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "async-attributes 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "async-task 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-channel 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-deque 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "async-task 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-io 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-timer 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "kv-log-macro 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-channel 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-io 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kv-log-macro 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "once_cell 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "pin-project-lite 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "once_cell 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project-lite 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-utils 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smol 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-futures 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "async-task"
-version = "1.3.1"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "autocfg"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "bitflags"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "bitvec"
 version = "0.17.4"
@@ -62,63 +51,68 @@ dependencies = [
  "radium 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "blocking"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures-channel 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "once_cell 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "waker-fn 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "bluez"
-version = "0.1.2"
+version = "0.1.3"
 dependencies = [
- "async-std 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "async-std 1.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitvec 0.17.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "enumflags2 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "enumflags2_derive 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-derive 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "thiserror 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thiserror 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bytes"
-version = "0.5.4"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "loom 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
-name = "cfg-if"
-version = "0.1.10"
+name = "cache-padded"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "crossbeam-channel"
-version = "0.4.2"
+name = "cc"
+version = "1.0.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
-name = "crossbeam-deque"
-version = "0.7.3"
+name = "cfg-if"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "crossbeam-epoch 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
-name = "crossbeam-epoch"
-version = "0.8.2"
+name = "concurrent-queue"
+version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memoffset 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cache-padded 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -149,140 +143,133 @@ name = "enumflags2_derive"
 version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "fuchsia-zircon"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "fuchsia-zircon-sys"
-version = "0.3.3"
+name = "fastrand"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "futures"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures-channel 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-executor 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-io 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-sink 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-task 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-channel 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-executor 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-io 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "futures-channel"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-sink 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "futures-core"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-task 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "futures-io"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "futures-sink"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "futures-task"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "futures-timer"
-version = "2.0.2"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "once_cell 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "futures-util"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures-channel 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-io 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-macro 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-sink 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-task 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-channel 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-io 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-macro 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro-nested 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project 0.4.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-utils 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-nested 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "hermit-abi"
-version = "0.1.8"
+name = "generator"
+version = "0.6.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.55 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "iovec"
-version = "0.1.4"
+name = "hermit-abi"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "kernel32-sys"
-version = "0.2.2"
+name = "js-sys"
+version = "0.3.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.63 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "kv-log-macro"
-version = "1.0.4"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -295,7 +282,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.67"
+version = "0.2.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -307,9 +294,14 @@ dependencies = [
 ]
 
 [[package]]
-name = "maybe-uninit"
-version = "2.0.0"
+name = "loom"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generator 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scoped-tls 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "memchr"
@@ -317,133 +309,94 @@ version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "memoffset"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "mio"
-version = "0.6.21"
+name = "num-derive"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "mio-uds"
-version = "0.6.7"
+name = "num-traits"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "miow"
-version = "0.2.1"
+name = "num_cpus"
+version = "1.13.0"
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diff --git a/Cargo.toml b/Cargo.toml
index 7ca9a2f..bf593f8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "bluez"
-version = "0.1.2"
+version = "0.1.3"
 authors = ["Ibiyemi Abiodun <ibiyemi@intulon.com>"]
 edition = "2018"
 repository = "https://github.com/laptou/bluez-rs"
@@ -20,7 +20,7 @@ enumflags2_derive = "<= 0.6.2"
 bytes = "0.5"
 bitvec = "0.17"
 futures = "0.3"
-async-std = { version = "1.4", features = ["attributes"] }
+async-std = { version = "1.6", features = ["attributes"] }
 
 [[bin]]
 name = "discover"
diff --git a/examples/discover.rs b/examples/discover.rs
index 808bbc6..e68c657 100644
--- a/examples/discover.rs
+++ b/examples/discover.rs
@@ -8,7 +8,7 @@ extern crate bluez;
 use std::error::Error;
 use std::time::Duration;
 
-use async_std::task::block_on;
+use async_std::task::{block_on, sleep};
 
 use bluez::client::*;
 use bluez::interface::controller::*;
@@ -91,6 +91,6 @@ pub async fn main() -> Result<(), Box<dyn Error>> {
             _ => (),
         }
 
-        std::thread::sleep(Duration::from_millis(50));
+        sleep(Duration::from_millis(50)).await;
     }
 }
diff --git a/examples/list.rs b/examples/list.rs
index 193da62..a8a37a9 100644
--- a/examples/list.rs
+++ b/examples/list.rs
@@ -32,7 +32,7 @@ pub async fn main() -> Result<(), Box<dyn Error>> {
 
         println!("\t\tname: {:?}", info.name);
         println!("\t\tshort name: {:?}", info.short_name);
-        println!("\t\taddress: {:?}", info.address);
+        println!("\t\taddress: {}", info.address);
         println!("\t\tsupported settings: {:?}", info.supported_settings);
         println!("\t\tcurrent settings: {:?}", info.current_settings);
         println!("\t\tmanufacturer: 0x{:04x}", info.manufacturer);