ORICO 4-Port USB 3.0 Hub for USB Expansion - Mini Portable Hub with Built-in 3.3 Ft Cable for MacBook, Chromebook, Notebook PCs, iPhone, Smartphones - Black CAPACITY: This 4-Port USB Hub offers USB 3.0 compatibility and fully supports USB 2.0 and 1.1 HIGH PERFORMANCE: USB3.0 connectivity offers data transfer speeds of up to 5Gbps, 20% faster than traditional USB and over 10 times faster than USB 2.0 EASY INSTALLATION: Travel-Friendly: Just plug and play, USB Powered, no driver or application needed; Travel-sized and portable, compact, light-weight, and easily transportable COMPATIBILITY: Windows, Mac, Linux and compatible with all devices such as smartphones, tablets, laptops, desktops, and other devices 18 MONTH WARRANTY WITH LIFETIME TECHNICAL SUPPORT - All ORICO products purchased through Amazon include an 18 month warranty and lifetime technical support. If for any reason you are dissatisfied with your purchase, just let us know and we promise to make it right.