Play / talk time: about 4 hoursCharging time: 1~2 hoursStandby time: 120 hoursBluetooth version: V5.0+EDRWireless frequency: 2.4GHZSupporting agreement: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3Transmission distance: 10 metersBattery capacity: 50mAhCharging voltage / current: 5V / 1ASpeaker impedance: φ8MM 32ΩMicrophone sensitivity: -42DbWorking temperature: -10-50 °CGross weight: 4 g * 2
Charging bin parameters :Input voltage / current: 5V / 1ABattery capacity: 1500mAh,
Product list : Headphones*2, charging compartment*1, charging cable*1, ear caps*4, manual*1