Turn a USB port into 3! Always flexible, always ready for action. Always and everywhere have your hub with you. Weighs less than 30g and is extremely thin. Reinforced cable, stable outer material and heat resistant connection head ensure ultimate durability. WHAT YOU GET: 3 ports (2 USB 2.0 + USB 3.0) (output); 1 port (entrance). Write email if you have any questions or need help, we will get back to you within 24 hours. We offer you an effortless guarantee and friendly service. Port multiplication Supports up to 127 devices by connecting multiple hubs in series. Convert one of your computer's USB ports to two USB 2.0 ports and one USB 3.0 port. Your computer allows you to connect a keyboard, mouse, thumb drive, or other USB-A device to your computer or laptop. Excellent compatibility Compatible with Windows 10/8 / 8.1 / 7 / Vista / XP and Mac OS X, Linux and Chrome OS. Compatible interface: Compatible with USB 3.0 / USB 2.0 / USB 1.0, all SATA III / II / I 2.5 " " SSDs and hard drives.