Turn 1 USB port into 3! Always flexible, always ready to go. You always have your hub with you, wherever you are. Weighs less than 30g and is extremely slim. The reinforced cable, the stable outer material and the heat-resistant connection head guarantee ultimate durability. WHAT YOU GET: 3 ports (2 USB 2.0 + USB 3.0) (out); 1 port (input). Write an email if you have questions or need help. We will respond within 24 hours. We offer you a hassle-free guarantee and friendly service. Port Multiplication Supports up to 127 devices by daisy-chaining multiple hubs. Convert one of your computer’s USB ports into 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.