Working Perfectly: This USB extension cable supports phone charging and data transmission sync; the charging speed is up to 2A (fast charging speed) and the data transmission speed is 5 Gbps, which is 10X faster than the USB 2.0 cable; making data transferred and phone charged within fewer minutes, no more waiting. As you Like: This USB 3.0 extension cable is long enough for daily use and office work. With this USB to USB extension cord, you will no longer need to worry about long-distance connection because of your short cables; No need to bend down under the desk or behind the TV/table to plug some USB peripherals anymore!