Driver Diameter :40 mm
Bluetooth version: 5.0V
Sensitivity:≤85dB
Audio Jack :3.5mm
Battery capacity :250mAh
Charging Socket : Micro USB
Frequency :20Hz-20KHz
impedance:16Ω±15%
Signal distance: ~10m
Playing time: 6-8 hours
Charging time: 2-3 hours
with attached 3.5mm audio cable(1m)
with 30cm charging cable
MOQ per color: 3000pcs