Material： ABS
Bluetooth： V5*3
Communication distance ：10 miter
Music time： about 8 hours (70%of the volume | ANC off)
Music time with a charging case：24 & 26hours
Battery capacity ：50mAh/0*185Wh(earphones）400mAh/1*48Wh(charging case）
Earphone rated input： DC5V—40 mA
Charging case rated input： DC5V—300 mA
Charging time: about 1*5 hours
Frequency response range：20Hz & 20kHz
Charging interface： Type & C
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