Features: Not only for power supply or charge, but also for data transmission. The USB cable with ON OFF switch. With this, the days are gone that you have to plug and unplug the USB cable; just a slight press and the operation will start or end. It can be used on Raspberry Pi, as well as other similar applications, like USB lamp, USB fan, LED desk lamp, smartphone USB charger, and more. USB extension: Standard USB A male to A female connectors, connect your PC, laptop, charger with your USB LED lamp or USB fan. Suitable for USB LED lamp, USB fan, and other USB devices, for driving recorder, USB keyboard, flash drive, hard drive, USB charger, and more.Specifications: Item Type: USB 2.0 extension line Material: Plastic Color: White Cable length: (Approx.) 100cm / 39.3 inches Maximum allowed current: 2 Amps Quantity: 1 PC (other accessories shown in the picture are not included) Note: 1. Conversion: 1cm = 10mm = 0.39 inch 2. Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before purchasing. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 x USB 2.0 extension cable with ON OFF switch (no retail package)