Specification :Bluetooth version : 5.3Headphone battery capacity : 30mAhHeadphone charging case battery capacity : 200mAhTransmission distance : about 10mSingle playing time : 5-6 hoursCharging time : 1.5 hoursWaterproof level : IPX5Support system : all devices and mobile phones that support BluetoothPacking List :1 * Pair active noise cancelling touchscreen earbuds1 * TYPE-C cable1 * User manual1 * Exquisite packaging boxNotes :1. Please read the instruction manual carefully before use.2. If you receive a defective product or have any questions during use please feel free to contact us.