Yealink BH7X Bluetooth Wireless Business Headset series has a business and stylish appearance, high-definition audio quality, retractable hidden microphone arm technology, and Yealink Acoustic Shield Technology supported by dual microphones. It allows users to quickly transform any place into a professional office, supporting high-definition professional audio and music playback experience. BH72 supports a regular version of BH72 Lite, as well as a BH72 version that provides an wireless charging feature and a multi-functional wireless charging stand. It can give more choices for users. Features - Retractable hidden microphone arm - Multiple microphones Acoustic Shield Technology - Excellent audio experience and all day wearing comfort - Dual-side busylight for full visible angles - Up to 40 hours wireless battery life - Qi wireless charging (BH72)