Yealink BT51-C dongle

The Yealink BT51-C is a compact black dongle that provides wireless Bluetooth 5.0 connectivity for compatible Yealink devices. Designed to simplify wireless audio and call setup, the BT51-C plugs into a compatible USB port and establishes a stable Bluetooth link to headsets and speakerphones. Its compact form factor supports convenient deployment on desks or in meeting rooms without occupying much space.

Advantages

The BT51-C leverages Bluetooth 5.0 to offer improved range and connection stability compared with earlier Bluetooth versions, which helps maintain clearer audio during calls. Its plug-and-play design enables quick setup without complex configuration, and the low-profile black housing integrates unobtrusively with office equipment. The dongle is tailored for reliable wireless communication with Yealink endpoints, minimizing signal interruptions in typical office and conference environments.

Suitable for

• Wireless headsets and speakerphones with Yealink IP phones and collaboration devices
• Office desks and shared meeting rooms requiring easy Bluetooth pairing
• Remote and hybrid work setups needing simple wireless audio connections

Key specifications

• Bluetooth version: Bluetooth 5.0 for extended range and stability
• Colour: Black
• Form factor: Compact USB dongle for low-profile installation
• Primary function: Wireless audio connectivity and call support for compatible Yealink devices

How to use

Insert the BT51-C into a compatible USB port on a Yealink device or supported host. Allow the host device to detect the dongle and complete any automatic driver installation if prompted. Put the Bluetooth headset or speakerphone into pairing mode and follow the Yealink device or host pairing procedure to establish the connection. Once paired, route audio through the connected headset or speakerphone and manage calls using the Yealink device controls.

Recommendations

For best performance, keep the dongle and paired audio device within recommended line-of-sight range and avoid placing the dongle near large metal objects or sources of radio interference. Verify compatibility with your specific Yealink model and update device firmware when available to maintain optimal connection stability.