1. Bluetooth 5.3; Chip: JL AC70032. Battery capacity: 200mAh; Charging time: about 2 hours3. Use time: 30 hours; Standby time: 350 hours4. Size: total length 90cm; Weight: 30g5, English and Chinese prompt tone: double click the multi-function key in the unpaired state...
1. Bluetooth 5.3; Chip: JL AC70032. Battery capacity: 130mAh; Charging time: approximately 2 hours3. Usage time: 20 hours; Standby time: 350 hours4. Size: The total length of the earphones is 88cm; Weight: 20.8g5. Support for both Chinese and English prompt tones: double-click the multifunction key ..