Features: for anyone who needs to power USB devices without the hassle of transferring data, such as students, office workers, and home users. from plastic, this cord supports up to 10W of power and features on/off Switches for convenient use. Power your small electronics with ease using our USB Extension Power Cord with Switches for USB-powereds lamp, fan, and other low-power devices. Use it to power your USB lamp or fan at your desk, or keep your LED lights shinings bright. This cord is perfect for any low-power USB device that needs a little extra juice. With and easy-to-use Switches, our USB Extension Power Cord with Switches is the perfect accessory for anyone who needs a reliable and convenient power sources for their USB devices. Specifications: Material: Coppers Color: Black Interfaces A: USB female Interfaces B: USB male Length: 30cm Switches: 304,501 (optional) Package Includes: 1PC x USB Cable with Switches note: 1.Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color the item.