TWS fire type binaural true wireless Bluetooth headset V 5.0

Headset parameters
Wireless Version :V5.0+EDR
Impedance:Ф8MM 32Ω
Mic Sensitivity:-42Db
Wireless Frequency:2.4GHZ
Battery Capacity :50MAH
Working TemPerature:10-50℃
Charging voltage:DC5V
Transmission Distance:10M
Playing Time:about 4 hours
Charging Time:aboue 1 hours
Standby Time:120 hours
Weight:3g
Charging Case Parmeters
Input current:(TYP)
Ourput current :5V 1A(TYP)
Charging Case:1500MAH