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. Yealink BH72 Bluetooth Wireless Headset series is equipped with Yealink’s uniquely designed retractable hidden microphone arm with 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 allows you to enjoy music more simply and can easily adapt to various outdoor activities. 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