Specifications:

Product name: TWS Bluetooth headsetBluetooth Transmission Range: 10 MetersBluetooth version: V5.1Product color: blackCharging input: DC 5 V/1ACharging bay battery capacity: 300 MahHeadphone battery capacity: 40 MahWorking time: about 2-5 hoursCharging time: about 1-2 hoursStandby time: about 150 hoursHeadphone charging time: about 1 hourCumulative battery life: about 48 hours (used with charging bay)Material: PlasticsWaterproof Rating: IPX5Operation Mode: TouchCompatible: Android, iOS, Microsoft, Tablet, 99% of the phones with Bluetooth.Package Included:1 * One pair of Bluetooth headsets1 * Charging box1 * Charging cable1 * User ManualNote:When purchasing the tws Bluetooth headset, please read the following instructions: Due to long-term transportation, the power of the tws earphone will be exhausted. You will not be able to use the headset when you receive the package. It may be powered off. The first thing to do is to charge the headset box for 2 hours. Very important. Thank you!