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

1. Lightweight design, fit the ear canal, wearing comfortable and invisible2. Integrated silicone anti-slip, skin-friendly and not easy to fall off3. All-in-one silicone in-ear noise reduction, combined with ENC call noise reduction, effectively blocking noise up to 28dB4. Bluetooth chip connection, smooth and stable transmission, stronger anti-interference ability5. HIFI high-fidelity sound quality and holographic acoustic tri-frequency equalization, creating a fine and consistent sound6. ENC dual silicon microphone, realize high-definition callsParameters:1. Bluetooth version: V5.42. Bluetooth chip: JL 69733. Bluetooth distance: about 10m4. Battery capacity: 35mAh5. Speaker: F6 real copper ring6. Listening and talking time: about 6 hours7. Charging time: about 1 hour8. Frequency: 20Hz-20KHz9. Impedance: 32 ohm10. Sensitivity: 115dB/mW11. Waterproof grade: life waterproof12. Accessories: earphone x 1, charging cable x 1, manual x 1