Add up to 13 devices quickly and easily with the SABRENT HB U14P USB 2.0 Hub. Especially great for notebooks which come with only a few ports in an era when you need to attach many USB devices at once, such as a printer, card reader, cell phone, iPod, thumb drive, mouse, keyboard, or an external hard drive. Achieve full 480 Mbps on each port. Fully backward compatible with the USB 1.1 products. Equipped with a power supply, The hub is uniquely designed so that the two power switches can control first six or second seven USB ports with the Blue Led indicators. Features: * Data transfer speeds up to 480 Mbps * Add up to 127 devices by daisy chaining multiple hubs. * Hot Swappable, Plug and Play, no drivers needed * Backwards Compatible with USB 2.0 or 1.1 This SABRENT AU EMCB 2.1 Audio Sound Card Adapter is a highly flexible audio interface, which can be used with either laptop or desktop system. No driver required, plug and play for instant audio playing and compliant with all mainstream operation systems. Simply Plug the Sound Adapter into your USB port, and then plug your headphones into the Adapter. Features 3D stereo USB audio adapter. USB 2.0 Hi Speed specification. Backward compatible with USB 1.1 Connectors: USB type A, stereo output jack, microphone input jack. No external power required. Plug & Play, no drivers needed. System requirements windows 8, Windows 7, Windows Vista, Windows XP, Mac OS 8.6 or above What's in the box. USB audio sound adapter 2 Feet Extension USB cable.