"Microsoft Certified Teams Standard Bluetooth Wireless Headset
• Binaural Ear (dual ear) over-the-head Headset
• Color: Black
• Dual Busylight on headset
• Leather Ear Cushions（Replaceable）
• Yealink Acoustic Shield Technology
• Support wireless charging
• Discrete Hidden Boom Arm
• Talking Time（up to）35H
• Bluetooth：5.1
• Support Yealink Connect APP and Yealink USB Connect Manager
• USB 2.0 Cable : USB-A
• Teams Button
"