Business Wireless Bluetooth Headsets with Mic Handsfree Earphone Stereo Earphones Noise Cancellation
Business Wireless Bluetooth Headsets with Mic Handsfree Earphone Stereo Earphones Noise Cancellation Earhook Bluetooth 5.2 Headphones for Smart PhoneFeatures:Bluetooth version：5.2Support protocol：A2DP/HFP/SPP/HID/PBAPBluetooth range：≥13mBattery capacity：35mA/75mACharging time：About 1hStandby time：200hCall time：About 20hMusic playing time：About 20hSpeaker size：13mmFrequency：20Hz-20000HzImpedance：16ΩSensitivity：108±3dBCharging specification：5V/1AOperating voltage：3.7VPackagingwhat's in the box: 1 * Wireless Bluetooth Earphone1 * USB charging cable