Weight(Single Earphone)：4.2g
Bluetooth Version：V5.0 TWS
Sound Channel：Stereo
S/N Ratio：≥70db
Signal Distortion：≤0.55%
Frequency：20Hz-18.5KHz
Charging Slot：USB TYPE-C
Music Playing Time：5 hours
Talking Time：4 hours
Charge from power case：5times
Battery Capacity：Earphone 40mAh/pcs
Battery Power case: 400mAh
Transmission Distance：10M
Speaker Impedance：13MM 32Ω Composite membrane horn(Bass sound)
