[CVC 8.0 Noise Cancellation] Bluetooth 5.3 Earphone Wireless Bluetooth Headset with Microphone Magne
[CVC 8.0 Noise Cancellation] Bluetooth 5.3 Earphone Wireless Bluetooth Headset with Microphone Magnetic Neckband Earphones Waterproof Sports In-ear Headphone Support TF CardBluetooth receiving range:10 metersBluetooth version:5.3Noise Reduction Version:CVC8.0Support protocol:A2DP/HFP/SPP/HID/PBAPDriver diameter: 14.2mmFrequency:20Hz~20kHzmpedance:32ΩSensitivity:108±3dBBattery capacity:400mAhUsage mode:Bluetooth/card mode（Maximum Support 32g，not including）Call playback time: about 20 hoursPower input:DC5V/50-200mAcharging interface：type-cCharging time:about 2 hoursOperating mode：Bluetooth, flashlight ,TF card（MP3)Products include1 * Bluetooth headsets1 * Charging cable1 * User Manual4 * Ear cap