Product description 1. The product can charge 4 small handles at the same time; Charge 2 handles and 1 host at the same time; Charge 2 handles and 1 switch Pro handle at the same time; Charge one switch host and one switch pro handle at the same time. 2. Light-up method: when charging left and right handles, the corresponding indicator light is red light, full turn green light; when charging the host or switch pro handle, the two lights on the same side turn on red light at the same time, full turn green light. 3. Additional function: Two external USB power output ports are connected at the same time to solve the trouble of insufficient charging port for you! 4. Current and voltage: The product contains 5V / 15V two sets of voltages, supports the original power supply of the Switch, meets the needs of the switch host 15V voltage fast charging; also supports 5V voltage power supply! 5. Integrated protection against overvoltage and overcurrent; non-slip bottom with 4 rubber feet for a firm stand.