Yealink BH76 Bluetooth Wireless Headset + Wireless Charging Stand. Yealink BH76 Bluetooth Wireless Headset series is equipped with Yealink’s uniquely designed retractable hidden microphone arm with a magnetic slide. You can easily pull out the microphone boom arm to obtain professional audio quality and hide the microphone boom arm to obtain a stylish appearance. Features: BH76 Plus Bluetooth Headset BT51-A/BT51-C USB Dongle 1.2 M USB 2.0 USB-A to USB-C Cable Drawstring Bag Black for Headset On-ear Cushion Quick Start Guide BHC76 Wireless Charging Stand