Yealink Essential Bluetooth Headset The Yealink BH7X Bluetooth Wireless Business Headset provides a stylish appearance, with 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 an office, providing the user with a mix of both high-definition professional audio and optimized music playback experience. BH72 is available in a Lite model as well as the Business version which supports an optional multi-functional wireless charging stand. Retractable hiddenmicrophone arm Multiple microphonesAcoustic Shield Technology Excellent audio experienceand all day wearing comfort Dual-side busylight forfull visible angles Up to 40 hours wirelessbattery life Qi wireless charging (BH72) With Business and Stylish AppearanceYealink 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. Multiple Microphones Acoustic Shield TechnologyWith Yealink Acoustic Shield Technology, the two Microphones built into the BH72 block the background noise automatically but ensure participant voice be heard clearly, greatly boosting communication efficiency. Unparalleled Music and Calling ExperienceDesigned for music and calls, BH72 supports dynamic EQ to automatically switch between call mode and music mode. The new angled ear cushion design and oval memory foam isolate the ambient noise, bringing excellent passive noise reduction and creating the best listening experience. Multi-functional Wireless Charging (BH72 Lite no