JOYROOM JR-B02S Noise Reduction Unilateral Hanging Ear Bluetooth Earphone with Charging Base(Black)

1. DSP intelligent noise reduction, away from noise interference, clear and clear calls2. Liquid silicone ear caps, skin-friendly and fit the ear canal, comfortable to wear without swelling and pain3. Large capacity and long battery life, battery life up to 12 hours4. Bluetooth 5.1, lower energy consumption, stable transmission without interference5. One-button multi-function operation, easy to use, convenient and quick6. Detachable ear hooks, allowing you to drive safely without any worries7. Lightweight and compact design, only 8g, no sense of new wearing feeling8. Two-in-one smart charging storage dockSpecifications:1. Bluetooth audio decoding: SBC/AAC2. Support protocol: HSP/HFP/A2DP/AVRCP3. Speaker sensitivity: 116+/-3dB4. Microphone sensitivity: -42+/-3dB5. Frequency response: 20Hz-20KHz6. Battery capacity: 70mAh7. Battery box battery capacity: 400mAh8. Speaker impedance: 32 ohms9. Rated power: 2mW10. Speaker diameter: 10mm11. Music time: 14 hours12. Talk time: 12 hours13. Standby time: about 120 hours14. Input: DC 5V/1A15. Charging time: about 1.5 hours17. Headphone charging input port: Micro USB18. Product material: ABS19. Net weight: 20g