Yealink BT51-A USB-A Bluetooth Dongle — Wireless PC Connectivity for Yealink BH Series Headsets

The Yealink BT51-A USB-A Bluetooth Dongle is a plug-and-play Bluetooth 5.0 adapter that connects your Yealink BH72 or BH76 wireless headset to any PC or laptop with a USB-A port, delivering a fast and reliable wireless audio connection with a range of up to 100 feet (30 meters) and no software installation required.

For professionals seeking the best Bluetooth USB dongle for a Yealink headset, the BT51-A enables natural-sounding voice calls and HiFi-quality music streaming via A2DP — all without leaving your desk tethered. Whether you're fielding calls on Microsoft Teams, Zoom, or RingCentral, the BT51-A handles unified communications platforms with full call control support. Its compact, low-profile design fits seamlessly into cubicles, home offices, and hot-desk environments without cluttering your workspace.

Supporting Bluetooth profiles HFP 1.6, DIP 1.3, and A2DP 1.2, the BT51-A delivers narrowband, wideband, and A2DP audio bandwidth to accommodate both voice calls and stereo media playback. Firmware updates are managed through the Yealink Connect app, keeping the device current as the BH headset ecosystem evolves. FCC-certified and Class B compliant, it meets residential and commercial installation standards across Windows XP through Windows 10 (32- and 64-bit) and macOS 10.6 or later.

Key Features of the Yealink BT51-A Bluetooth USB Adapter

• Yealink BH72 & BH76 Compatibility: Designed specifically for Yealink BH Series headsets, ensuring optimized pairing, stable connection, and full call control without third-party configuration.
• Bluetooth 5.0 via USB 2.0: Leverages Bluetooth 5.0 technology over a standard USB-A 2.0 connection for lower latency, stronger signal stability, and broader range than older Bluetooth standards.
• 100-Foot Wireless Range: Delivers up to 100 ft (30 m) of operating range, giving professionals the freedom to move around the office during calls without losing audio quality.
• Multi-Profile Audio Support: Supports HFP 1.6, DIP 1.3, and A2DP 1.2 profiles with narrowband, wideband, and A2DP audio bandwidth — handling both HD voice calls and stereo music streaming in a single device.
• True Plug-and-Play Setup: Requires no driver installation; simply insert the dongle and pair your headset to start communicating — ideal for shared workspaces and hot desks.
• LED Connection Indicator: A single blue LED provides clear visual feedback for pairing status and active connection, eliminating guesswork during setup.
• Firmware Updates via Yealink Connect App: Keeps the dongle current with the latest Yealink headset firmware compatibility through simple app-based updates.

Technical Specifications

• Model: BT51-A
• MPN: 1300007
• PC Connection: USB 2.0 (USB-A)
• Bluetooth Version: 5.0
• Bluetooth Range: Up to 100 ft / 30 m
• Bluetooth Profiles: HFP 1.6, DIP 1.3, A2DP 1.2
• Audio Bandwidth: Narrowband, Wideband, A2DP
• Visual Indicator: Single blue LED (pairing and connection status)
• Firmware Updates: Via Yealink Connect app
• Compatible Headsets: Yealink BH72, BH76
• OS Compatibility: Windows XP SP3 through Windows 10 (32/64-bit); macOS 10.6 or later
• Certifications: FCC (ID: T2C-BT51A), IC (10741A-BT51A), Class B