Check the listing for details. 3.28ft USB Extension Cable with Switch 1pcs Button Switch Power Data Cable Black. Condition: New. Listed at 11.08 USD. What is This?The USB extension cable is used to extend cables and control power supplies, widely for LED Desk Lamp, LED Strip, USB Fan, and other low-power electrical devices.What will I get?Color: BlackMaterial: PVC; CopperWire Size: 22 AWGTotal Length: 100cm / 3.28ftPackage List: 1pcs x USB Switch Extension CableAre there any advantages of the product?This USB cable supports both data transmission and power supply. No need to plug and unplug the USB cable, just press the switch button to turn it on and off.How to use it?Connect the USB connectors on both sides of the USB cable respectively. The switch button is used to control the power supply.What should I notice?It can not support high-power electrical devices. The transmission interface is USB 2.0.