This product is either discontinued or we cannot get that from suppliers.
Yealink BH72-UC-CH-GY With Charging Stand Wireless Stereo Bluetooth, Grey, USB-A Connectivity, Wireless Range Up to 100 ft, Talking time up to 35 hours, Music time up to 40 hours, Standby time 112 hours..
The Yealink BH72-UC-CH-GY is a professional-grade wireless Bluetooth headset that combines cutting-edge technology with a stylish design.