Yealink BH72 Bluetooth Wireless Headset + Wireless Charging Stand. Yealink Acoustic Shield Technology ensures distraction-free audio quality in daily calling with a virtual shield created by multiple microphones, to ensure you've been heard clearly. Enjoy music or outdoor activities with the hidden boom arm. Features: Bluetooth 5.1, Charging stand , Retractable microphone boom/arm, Leather ear cushions, Available in black or light grey, USB-C charging cable (standard USB), Microsoft Teams certified, Dynamic EQ switches between call mode and music mode automatically Compatible Products: SIP-T53W | SIP-T54W | SIP-T57W | SIP-T58W | VP59