? AB:1532:
? Master-slave control Version5.0,IPX5
? Touch operation systemEarbuds
? Charging base 400mAh
? Earbuds each 50mAh
? Non-stop playing time:4-5 Hours
? Speaker Φ6mm  16Ω
? Sensitivity(SPK)95±3dB@1KHz
? USB: type-c data cable
? Earbuds size: 22.5*17.5*24.0mm
? Charing box size:63.0*27.0*34.5.0mm