Intelligent Noise Reduction Wireless Bluetooth Headset

Product information:1. Headphone parametersBluetooth version: V5.0+EDRWireless frequency: 2.4GHZSupport protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3Transmission distance: 10 metersBattery capacity: 50mAhCharging voltage/current: 5V/1APlay/talk time: about 4 hoursCharging time: about 1 hourStandby time: 120 hoursSpeaker impedance: φ8MM 32ΩMicrophone sensitivity: -42DbWorking temperature: -10-50℃Gross weight: 4 grams*2 2. Parameters of charging compartmentHeadphones and charging compartment dual battery digital displayInput voltage/current: 5V/1ABattery capacity: 1500mAh can be customized to 2600mah or 3500mahGross weight: 75 grams 4. Product listEarphone*2, charging compartment*1, charging cable*1, ear cap*4, manual*1