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
