1. Product material: metal
2. Bluetooth version: V 5.3
3. Playing time: about 4h
4. Transmission distance: 10m
5. Charging port: Type-C
6. Charging time:
Earphones: 1.5h Charging compartment: 1.5h
7. Standby time: more than 160h
8. Frequency response range: 100Hz-20KHz
9. Sensitivity: -42+/-1dB
10. Small size, easy to carry
11. Mechanical texture color-changing light, flashing the audience; excellent sound quality, enjoy the auditory feast
12. The earbuds have semi-in-ear comfort and in-ear sound insulation, giving you a comfortable and non-sensing experience