Yealink BT51-A – Bluetooth USB-A Dongle

Overview :

The Yealink BT51-A is a compact Bluetooth USB-A dongle designed to add Bluetooth connectivity to compatible Yealink IP phones, PCs, and supported Yealink headset solutions. It enables wireless headset pairing while providing stable audio transmission and remote call control functionality for enterprise communications environments.

Featuring Bluetooth 5.0 technology, the BT51-A delivers reliable wireless connectivity with an operating range of up to 100 feet (30 meters). The dongle supports multiple Bluetooth profiles including HFP, DIP, and A2DP, allowing high-quality voice communications and audio streaming across compatible devices.

The integrated USB-A 2.0 interface supports plug-and-play deployment without requiring complex configuration. An onboard LED indicator provides pairing and connection status visibility, simplifying device management for users and IT teams.

The BT51-A is commonly deployed with Yealink BH71, BH72, and BH76 Bluetooth headsets in office, hybrid work, and unified communications environments. It is intended for Bluetooth connectivity applications and should not be used as a Wi-Fi adapter or general-purpose network interface device.

Key Features :

• Bluetooth 5.0 delivers stable wireless connectivity
• USB-A plug-and-play deployment simplifies setup
• Supports voice and audio streaming profiles
• Up to 100 ft wireless operating range
• LED indicator shows pairing and connection status