1. Product Name: TRN BT20S Bluetooth 5.0 Ear Hook
2. Bluetooth Version: 5.0+AptX
3. Bluetooth chip: QCC3020
4. Wireless music / talk time: About 8 hours
5. Battery capacity: 100mAh battery
6. Charging time: About 2 hours
7. Standby time: 180 hours
8. Transmission range: 10 meters
9.Cable interface: MMCX/2PIN connector
11.Function: Voice control
12.Whether with microphone: Yes
Please keep the remaining time when the charge, and do re-charge before the battery power all run out, this is conducive to the battery life.
The power of the headphones is different and the power consumption is different, so the time used is different.