Description
Bluetooth Version: V5.3
Working distance: 10m
Battery Specification: 3.7V 300mAh
Charging time: 2.5 Hours
Talking time: 20 hrs with ANC; 30 hrs without ANC
Speaker size: 40mm
Impedance: 320hm S.P.L(at 1Khz)
Active Noise cancelling: -22db
Frequency: 20HZ-20KHZ
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