The Yealink BH72 Lite Teams Certified Series Stereo Headset TEAMS-BH72L-BL-C features a unique design, a retractable hidden microphone arm with a magnetic slide. You can easily pull out the microphone boom arm to obtain professional audio quality, and can easily hide the microphone boom arm to obtain a stylish appearance. It is designed for music and calls and supports dynamic EQ to automatically switch between call mode and music mode. With Yealink Acoustic Shield Technology, the two Microphones built-in BH72 block the background noise automatically but ensure participants' voices be heard clearly, greatly boosting the communication efficiency. This version does not support Qi wireless charging.