Long Standby Business Bluetooth Headset Wireless Bluetooth 5.2 Earphone Waterproof Earhook Headphone
Features:<br><br>Modelï¼M22<br><br>Bluetooth versionï¼5.2<br><br>Main chipï¼JL6986<br><br>Support protocolï¼A2DP/HFP/SPP/HID/PBAP<br><br>Bluetooth rangeï¼â¥15m<br><br>Battery capacityï¼220mA/80mAh<br><br>Charging timeï¼About 2h<br><br>Standby timeï¼400h<br><br>Call timeï¼About 48h<br><br>Music playing timeï¼About 30h<br><br>Speaker sizeï¼10MM<br><br>Frequencyï¼20Hz-20ï¼000Hz<br><br>Impedanceï¼16Ω<br><br>Sensitivityï¼108±3dB<br><br>Charging specificationï¼4.8-5.2V/0.5-2A <br><br>Operating voltageï¼3.2V-4.2V <br><br>Storage temperatureï¼-10ï½+60â <br><br>Operating temperatureï¼0ï½50â <br><br>Operating humidityï¼15%-60%RH<br><br>Materialï¼ABS<br><br>Packagingwhat's in the box: <br><br>1 * Wireless Bluetooth Earphone<br><br>1 * USB charging cable<br><br>1 * User manual