1. Bluetooth version: V5.3
2. Play time: 5h
3. Battery capacity: 460mAh
4. Frequency response: 20HZ-20KHZ
5. Rated power: 3mW
6. Drive unit: 13mm
7. Input: 5V/1A
8. Standby time: 11 months
9. Charging time: about 1h for earphones, about 1.5h for charging case
10. Power digital visualization design, the remaining power is clear at a glance
11. Silicon microphone for ultra-clear calls and a combined battery life of up to 25 hours
12. Sleek, compact, simple and attractive
13. Composite membrane speakers, immersive stereo surround sound
14. Semi-in-ear design, cana??t be thrown off, wear for a long time without getting tired