Bluetooth USB Dongle

Yealink BT51 is a plug-and-play USB Bluetooth dongle that connects your Yealink CP900/CP700 to your PC to ensure a fast and reliable Bluetooth connection. BT51 guarantees a first-rate range of up to 100ft/30m, allowing you to move away freely from your laptop during a call. As for the audio, by incorporating sound quality features to BT51, you can enjoy the natural sound even when you are away from your desk. Meanwhile, the music will be streamed in amazing HiFi quality via A2DP.


  • Compatible with CP900/CP700
  • Reliable connection
  • Up to 100ft/30m wireless range
  • Easy to use
  • Plug and play
Bluetooth version
BT 5.0
PC connection
USB 2.0
Bluetooth range
Up to 100ft/30m
Bluetooth profiles
HFP 1.6, DIP 1.3, A2DP 1.2, Bluetooth Low Energy (BTLE)
Bluetooth audio bandwidth
Narroband, Wideband, A2DP
Firmware update
via Yealink Connect app
Visual indicator
One blue LED indicates pairing and connection
Physical Features
OS compatibility (as audio device)
– Windows XP/SP3, Windows Vista 32-bit,
Windows Vista 64-bit, Windows 7 32-bit,
Windows 7 64-bit, Windows 8.1 32-bit,
Windows 8.1 64-bit, Windows 10 32-bit,
Windows 10 64-bit
– MAC OS 10.6 or later
with CP900/CP700
Softphone support (call control)
– Fully compatible with Microsoft Teams/ Skype for Business
– Compatible with most of PC softclients and, as a minimum, work as audio device
(L*W*H): 18*13.9*5.1mm
Operating environment
-10℃ to + 60℃
BT51 Series

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