Q9 In-Ear Mini Sports Invisible Sleep Single Ear Bluetooth Earphone(Black)

1. Lightweight design, fit the ear canal, wearing comfortable and invisible
2. Integrated silicone anti-slip, skin-friendly and not easy to fall off
3. All-in-one silicone in-ear noise reduction, combined with ENC call noise reduction, effectively blocking noise up to 28dB
4. Bluetooth chip connection, smooth and stable transmission, stronger anti-interference ability
5. HIFI high-fidelity sound quality and holographic acoustic tri-frequency equalization, creating a fine and consistent sound
6. ENC dual silicon microphone, realize high-definition calls

Parameters:
1. Bluetooth version: V5.4
2. Bluetooth chip: JL 6973
3. Bluetooth distance: about 10m
4. Battery capacity: 35mAh
5. Speaker: F6 real copper ring
6. Listening and talking time: about 6 hours
7. Charging time: about 1 hour
8. Frequency: 20Hz-20KHz
9. Impedance: 32 ohm
10. Sensitivity: 115dB/mW
11. Waterproof grade: life waterproof
12. Accessories: earphone x 1, charging cable x 1, manual x 1