OWS Hanging Ear Bluetooth Earphones With Digital Display Charging Compartment 1. Default Voice: English 2. Speaker specification: 16mm copper ring speaker 3. Speaker impedance: 32 ohms 4. Frequency response of the speaker: 20z-20z 5. Speaker rated power: 3mw 6. Speaker 1k sensitivity: 98db 7. Use time: about 10-12h 8. Standby time: about 120h 9. Bluetooth chip: BlueTrum 10. Bluetooth version: 5.4+EDR 11. Transmission distance: about 10m 12. Input power: 93mW 13. Earphone charging time: about 0.8h 14. Battery capacity: earphone 110mAh, charging compartment 400mAh 15. Charging time outside the charging compartment: about 1.5h 16. Battery voltage: 3.2-4.2V 17. Charging compartment input: 5V100mA 18. Charging compartment can charge the earphone times: 2.5 times 19. Waterproof performance: IPX5 20. Material: PC + ABS 21. Charging port: Type-C Features: 1. The body design fits the ear contour, disperses the pressure on the back of the ear, comfortable and stable support 2. Through directional audio technology to prevent the sound from spreading out of the air, the internal formation of polyphonic structure, effectively reducing 89% of the sound leakage 3. 16.2mm large composite diaphragm moving coil, all-around comfortable experience 4. Adopting Bluetooth 5.3 chip, multi-data stable transmission, wide wireless coverage, low power consumption, energy-saving operation 5. Adapt to a variety of different environments, travel and commute without fear, let you wantonly sweat, easy to deal with the wind and rain 6. Dual-chip dual host independent transmission, stable and fast connection, and can be used individually for single and double ears 7. Bidirectional beam-forming microphone can accurately locate your voice, digital processor can filter external noise and wind, eliminate call noise, high-definition human voice calls 8. LED digital power display of the remaining battery power of the charging module 9. Compatible with ios, windows and android system