NOTE: 1. DO NOT support video transfer. 2. Does not support connecting two computers directly. 3. This cable is only a data transfer cable, and it can not transfer a video signal. 4. This cable is a usb male to usb male cable, not a usb male to female cable 5. This cable do not support charging. 6. This cable is only 3ft,please make sure before purchase. Charge Laptop Cooler: The maximum output of this male to male 3ft USB 3.0 cable is up to 3A, which provides enough power for your laptop cooler, so to keep your cooling pad performs the best, no more worry about your laptop getting hot, ensures the stable operation of your devices. Awesome Quality: With a braided shield and aluminum alloy connector, UGREEN USB to USB 3ft Cord is designed with 20,000+ times bending test, the solid and durable two-shade braided nylon shield gives the cable stronger protection and flexible performance than others and no need to worry about tangling, no more cable breakage worries. Wide Compatibility: UGREEN USB Male to Male 3ft cord connects a USB peripheral with USB 3.0 type A port to a computer for speedy file transfer. It compatible with Laptop, Laptop Cooling Pad,Smart TV,USB in car, DVD player, USB 3.0 hub, Monitor, Camera, Wacom, Blue-ray Drive, Set Top Box, 2.5-Inch External Hard Drive Enclosure with Type A port, and most USB 3.0 external hard drives with Type A port. Working Perfectly: USB to USB Cable 3ft is up to 5 Gbps, 10x faster than USB 2.0 data transfer and provide superior cable performance and error-free data transmission. Backwards are compatible with computer USB 2.0 and USB 1.1 ports, which is 10X faster than the USB 2.0 cable; making data transferred within fewer seconds, no more waiting.