Product Design: USB 2.0 Male to Female Extension Cord with 303 Rocker Switch. Easy & Convenient: No need to pull the cable to shutdown or reboot your device, just press the button to turn on or off. Widely apply to Driving Recorder Power Cable, LED Desk Lamp, USB Fan, Bedside Lamp and other computer peripheral low-power electrical devices. Well-made Appearance: Helps prevent the USB connector from wear and tear due to frequent pulling and inserting the USB cable. Made of high-quality wire, no more lower-power warnings. Cable Gauge: 22AWG, Total Length: 30 cm, Support 5V, Max 2A, solving the problems of long-range cable controlling. Please Kindly Note: This Cable/Cord is only for power supply and connector, NOT for Data Sync, Not support IOS system.