BT51-A specification sheet

Overview:

Yealink BT51 Bluetooth USB-A Dongle - Seamless Wireless Connection for BH72/BH76
Yealink BT51 is a high-performance USB Bluetooth dongle designed to offer a seamless connection between your Yealink BH72 or BH76 headsets and your PC. Available in both BT51-A and BT51-C versions, this dongle supports a hassle-free plug-and-play setup, ensuring fast, reliable Bluetooth connectivity for clear calls and smooth audio streaming. With a Bluetooth range of up to 100ft (30m), you can move around freely during calls, enjoying exceptional sound quality even when you're not seated at your desk.

Description:

The Yealink BT51 Bluetooth USB-A Dongle provides outstanding Bluetooth performance with effortless connectivity for your Yealink headsets. It guarantees a stable connection with a remarkable 100ft/30m wireless range, giving you the freedom to move away from your PC without interrupting your calls. Equipped with Bluetooth 5.0 technology and support for A2DP HiFi quality audio streaming, the BT51 ensures that your conversations and music come through crystal clear. Whether you're in a conference call or listening to your favorite tracks, this dongle offers an exceptional wireless audio experience.

Features:

Key Benefits

• Wide Compatibility : Works seamlessly with Yealink BH72 and BH76 headsets, providing reliable wireless connectivity.
• Long Range : Stay connected up to 100ft/30m, allowing for more mobility during calls.
• High-Quality Audio : Stream audio in HiFi quality via A2DP, ensuring clear sound for calls and music.
• Simple Setup : Plug-and-play functionality makes it easy to get started without additional drivers or software.
• LED Indicators : Visual cues with blue and red LEDs to show pairing and connection status.

Technical Specifications:

• Bluetooth Version : BT 5.0 for improved stability and range
• PC Connection : USB 2.0 (USB-A)
• Bluetooth Range : Up to 100ft (30m)
• Bluetooth Profiles Supported : HFP 1.7, A2DP 1.3, AVRCP 1.6
• Audio Bandwidth : Narrowband, Wideband, A2DP for high-quality audio
• Firmware Updates : Available via Yealink USB Connect app for easy updates
• Visual Indicators : Blue LED (pairing), Red LED (connection)

Compatible With:

• Yealink BH72 Lite
• Yealink BH72
• Yealink BH76

The Yealink BT51 Bluetooth USB-A Dongle is the perfect solution for users looking to enhance their wireless communication experience with Yealink headsets, offering both reliability and superior audio quality for work and leisure.

Specifications:

©2026 Respective owners and brand holders. This table has been carefully researched and generated by ComXpert International CC (//www.comx-computers.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications
Product Code	BT51-A
Specifications	Description
Features	Bluetooth version: BT 5.0
	PC connection: USB 2.0 (USB-A/USB-C)
	Bluetooth range: Up to 100ft/30m
	Bluetooth profiles: HFP 1.7, A2DP 1.3, A VRCP 1.6
	Bluetooth audio bandwidth: Narroband, Wideband, A2DP
	Firmware update via Yealink USB Connect app
	Visual indicator: 1 blue LED +1 red Led indicates pairing and connection
Physical Feature	OS compatibility (as audio de vice):
	- 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, Windows 11 64-bit
	- MAC OS 10.6 or later
	Compatible with BH72 Lite/BH72/BH76
	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
Package Features	Dimensions (L x W x H): BT51-A: 18 x 13.9 x 5.1mm
	Dimensions (L x W x H): BT51-C: 16.15 x 14.5 x 9mm
	Operating environment: -10degreesC to + 60degreesC