Earphone Parameters:Wireless Version: V4. 2+EDRImpedance:©10MM 320Mic Sensitivity: 42DbWireless Frequency:2. 4GHZBattery Capacity:50mAhWorking Temperature: 10-50°CCharging Case Parmeters:Battery Capacity:3000 mAhInput(Output) votage : 5V (TYP)Input current:5V 1A (TYP)Output current:5V 2. 1A (TYP)Dimensions:104*38*38mmWeight:35gCharging Voltage:DC5VTransmission Distance:12MPlaying Time:3-4 hoursCharging Time:1-2 hoursStandby Time:120 hoursWeight:4g Principales caractéristiques Earphone Parameters Wireless Version: V4.2+EDR Impedance:©10MM 320 Mic Sensitivity: 42Db Wireless Frequency:2.4GHZ…