Sleep Headset Bluetooth Headscarf Headband Wireless

Product information:Bluetooth version: 5.0Bluetooth protocol: AGHSPBluetooth solution: LanxunBluetooth transmission distance: 10 metersHeadphone channel: stereo (2.0)Music playback time: maximum sound 7H, medium volume 10 hoursMicrophone distance: 1 meterBluetooth standby time: 72HBattery...