| 1.Active Noise Cancelling: -30±3dB 2.Bluetooth 5.0 3.Speaker: 40mm 4.Transmission Frequency: 2.4G～2.48G 5.Transmission range: ≥10 meters 6.Charging voltage: DC 5V 7.Charging time: about 1 hours 8.Talk time: about 30hours 9.Music time: about 30hours 10.Standby time: more than 400 hours 11.Battery: 500mAh 12.Noise Reduction Frequency Range: 40~600Hz 13.Noise Reduction Central Frequency: around 100Hz~1000Hz 14.Pure Monster Sound |
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