Always confirm that the charging port is dry before connecting the device to the charging cable. 2. Do not charge right after exercising in case there's sweat inside the charging port, which could lead to circuit burning while charging. 3. Only power supplies that have been approved by relevant departments and meet local regulatory requirements (such as UL, CSA, VDE and CCC) shall be used. 4. It is recommended using a 5V/1A charger to charge OpenRun Pro 2 to protect its battery life. Please ensure that the output voltage does not exceed 15V to prevent damage to the headset.