1. Color: Black
2. Bluetooth 5.3; Chip: JL AC7006F4
3. Battery capacity: 90mAh; charging about 1.5 hours
4. Use time: 8 hours; Standby time: 120 hours
5. Product size: 121*104*35mm; weight: 13g
6. Air conduction bluetooth earphones
7. Support Chinese and English prompt tone: double-click the multi-function key in unpaired state"