1. Style: 8D stereo headphones 2. Bluetooth version: V5.0 binaural call 3. Working frequency: 2.4GHz-2.4835GHz 4. Support: Battery display Support: Music Call. 5. Working distance > 10m Speaker: True copper ring 6. Frequency response range: 50HZ~20KHZ 7. Sensitivity 104+2dB Impedance 16+5% 8. Headphone battery capacity: 55mAh Charging box battery capacity: 300mAh 9.USB charging: the headset is full for 1 hour, and the charging compartment is full for 2 hours. 10. Headphone standby time: 180 hours, the number of times the charging bin is charged: 2 times. 11. Continuous talk time: 2.5 hours - 3 hours, music playback: 2.5 hours - 3 hours 12. Headphone size: 13. Headphone weight: 5.5g Charging bin weight: 37g 14. Waterproof rating: IPX5 Packing box size: 113*85*40MM full set of gross weight 84g A full set of accessories includes: headphones * 2pcs, charging bin * 1PCS, USB cable *1PCS, manual *1PCS, ear cap * 2 pairs *The above is the official laboratory data, there may be some deviations, please be careful to buy.
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