ONIKUMA T309 Mechanical Bluetooth Earphone(Black)

1. Chip: JL6973 2. Speaker outer diameter: 13mm 3. Bluetooth range: 10m 4. Frequency response range: 20Hz-20KH2 5. Sensitivity: 109db-+3db 6. Battery capacity: 30mAh 7. Headphone compartment battery capacity: 300mAh 8. Charging voltage: 5V/1A 9. Working hours: 5h 10. Charging time: 2h 11. Charging port: Type-C 12. Game/music, dual mode seamless switching 13. New generation DSP anti-interference 5.3 chip, high-speed transmission and low power consumption 14. PET composite film, reducing distortion and rich details 15. Touch control, one-hand touch, sensitive and convenient