The Yealink BH71 Pro Mono Bluetooth Wireless Headset is a Microsoft certified Teams headset with HD audio quality whenever and wherever you need it. Be heard clearly thanks to beamforming noise cancelling technology with a 4-mic array. With Bluetooth, Adjustable, retractable ear hook, 10 hours of battery life, Easy and comfortable to wear, Up to 30 m range. Includes: BHM711 Headset Ear tips USB-C 2.0 cable Quick start guide BT51A dongle (only for BH71 Pro) BHC71P charging case (only for BH71 Pro)