This 15m USB 2.0 extension cable is perfect for connecting 2 USB ports which is far away for application such as printers, webcam, mouse, keyboards, bluetooth device, thumb drive and etc. Built-in booster circuitry ensures that connections will work even from across the distance. USB self powered and no external power is required. Features: High-Speed transfer rates up to 480 Mbps. Compliant with USB 2.0 specification The 15M extension cable gives you enough length and hence more flexibility to put your USB devices Comes with booster circuit in the middle of the cable Active USB extension cable, excellent signal quality to meet USB specification Type A male to Type A female connectors (USB extension cable) Cable Color: Black Length: 15m Support OS : XP/Vista/Win7/Win8, Mac OS, and Linux Package Content: 1 X USB Cable with booster Note 1 : Photo attached is for reference only, it may be slightly varied in items of colour, shape from the actual item delivered from time to time) Note 2: Item may not be compatible with all USB-powered product which uses high power. Please check the power specification for your device and make sure power usage is below 500mA. Note 3: This cable is not for charging a cellphone/smartphone/tablet)