Features:
1. Bluetooth 5.1 chip provides faster connection, more stable, lower latency and lower power consumption.
2. HIFI High sound quality, ,it can make music more real
3. 10mm large dynamic driver,highly sensitive composite diaphragm, highly restore music details;
4. AAC environmental noise reduction, dual microphones make calls more HD
5. Semi-in-ear ergonomic design for comfort, let you wear it for a long time without feeling tired

Parameters:
1. Audio decoding: AAC
2. Bluetooth chip: BT 5.1
3. Transmission distance: 8-10m
4. Charging port: Type-C
5. Battery capacity: 250mAh(charging case), 30mAh(earbud)
6. Charging time2H
7. Calling time: 5H
8. Playing time: 5H