Microsoft Certified Teams Standard Bluetooth Wireless Headsetǽƒ?ª¶½ Binaural Ear (dual ear) over-the-head Headsetǽƒ?ª¶½ Color: Light Grayǽƒ?ª¶½ Dual Busylight on headsetǽƒ?ª¶½ Leather Ear Cushions?Replaceable?ǽƒ?ª¶½ Yealink Acoustic Shield Technologyǽƒ?ª¶½ Don"t support wireless chargingǽƒ?ª¶½ Discrete Hidden Boom Arm ǽƒ?ª¶½ Talking Time?up to?35Hǽƒ?ª¶½ Bluetooth?5.1ǽƒ?ª¶½ Support Yealink Connect APP and Yealink USB Connect Managerǽƒ?ª¶½ USB 2.0 Cable : USB-Aǽƒ?ª¶½ Teams Button