Yealink BH70 Bluetooth Wireless Stereo Headset, Black, Dual Teams USB-C * Top noise cancellation capability in the industry. * Innovative Noise Reduction System with 3-Mic Noise Cancellation solution, bringing a 74% increase in microphone length from 78mm to 135.7mm*. * Intelligent Algorithm is optimized for multiple work scenarios, ensuring your voice is crystal clear no matter where you are. * Exceptional audio performance every moment. The Ole Wolff diaphragm, an industry-leading professional acoustic component, provides a wider frequency response and higher sensitivity of audio experience, enabling everyone to enjoy the full sound from 35mm custom speaker and six audio equalizers. New Experience: From cushion to leather, BH70 is designed for an uncompromising fit for many different head shapes, ensuring a luxuriously comfortable use experience. Enjoy enhanced control seamlessly: * Pull to mute or initiate a business chat * One-click to join meetings * Effortlessly adjust volume settings Package Contents Headset Drawstring Bag Type C to C & A 2.0 Cable Quick Start Guide BT51 Dongle: The dongle can be added to T43U/T46U/T48U/T53 as these don’t have built-in Bluetooth. BHC70 Charging Stand (Optional) * Replacement Ear Cushions (Optional)