Guarenteed Quality: With years of production experience, there're very strict production flow and quality control procedure. We cherish each of our customer and provide one year quality guarantee. If any query in using, please feel free to contact us through our email on the manual, we'll feedback as soon as possible within 24 hours. Triple-Use-In-One: This 4-port USB hub and the extension cable reach 130cm distance and extends the USB port back of PC or Tv to the desk easily. It also can be detached for triple use in work, travel or at home: The USB hub cable measures 30cm which is short and neat, the extension cable is 100cm, the total length is 130cm. It's much more portable and practical than mon-removable cable. Very Fast: With 4 efficient USB 3.0 ports, this USB extender supports up to 5 Gbps fast data transfer and is able to copy transfer an HD movie in seconds or works with SSD stably. All 4 ports and the extension cable meet the USB-IF standard of USB protocols on data transfer and charging. Wide Compatibility: YaimhSound 4-port USB splitter applies to various devices- laptop, pc tower, tv, printer, projector, car, keyboard, mouse, gaming machine, flash drive, card reader, SSD, phone, camera, USB fan and USB light. It’s plug and play and compatible with Windows, Mac, Linux system. SuperSpeed: With 4 efficient USB 3.0 ports, this USB extender supports up to 5 Gbps fast data transfer and is able to transfer an HD movie in seconds or works with SSD stably. All 4 ports and the extension cable are true USB 3.0 and meet the USB-IF standard of USB protocols on data transfer and charging.