Yealink BH76 Bluetooth Wireless Headset, Wired Charging. 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: Binaural Ear (dual ear) over-the-head Headset , Active Noise Cancellation (ANC) Support, Wearing Detection, Audio CodecAptx-HD, Dual Busylight on headset, Leather Ear Cush?Replaceable), Yealink Acoustic Shield Technology, Support wireless charging, Discrete Hidden Boom Arm, Talking Time?up to?35H, Bluetooth?5.1, Support Yealink Connect APP and Yealink USB Connect Manager, USB 2.0 Cable : USB-A