Bluetooth Version: V5.0
Wireless range: 10 M
Speaker: φ10mm
Resistance: 32Ω
Sensitivity：97±3dB
Frequency Range：20hz-20Khz
Battery capacitance of earphone：35mAh
Battery capacitance of Charging case: 350 mAh
Charging time: 1 Hour
Playing time： 3- 4 hour
Charge port: Type-C