Hoco E57 Essential Business BT Headset - Black

"1. Material: ABS
2. Size: L71×W26×H16mm; Net weight: 10g
3. Bluetooth 5.0, chip: BK 3266
4. Battery capacity: 170mAh; charging time: about 1.5 hours
5. Talk/music time: 10 hours
6. Standby time: 200 hours
7.Voice prompt switch：When not connected, double-click the multi-function button and there will be a beep"