RIITOP USB Extension Cable with ON/Off Switch USB Male to Female Cable Support (Data and Power) for USB Headset, LED Strips(2-Pack)About this itemThis USB ON/OFF Switch Cable is a upgraded version,Support both Data transmit and power supplyIt's not a simply USB Extension Cable, but with switch for Data and Power ON/OFF. Works for USB Fan, LED Desk Lamp and other computer peripheral low-power elect..