This is a 7 Ports USB 3.0 hub. It is made of aluminum alloy material, anti-slip and scratch-resistant, durable to use. With electric leakage, over-current, over-voltage and short circuit protection, it is safe to use. Features -Color: Silver -Material: plastic -Size: 16.00X16.00X3.00cm/6.29X6.29X1.18in - Cable length: 37cm Rated voltage: DC 5V Rated current: 2A - Convert 1pc USB 3.0 port into 7pcs USB 3.0 ports, convenient to use. - Weaving mesh shielding, provide faster transmission and over-voltage/over-current/short circuit/electric leakage protection. - With 7pcs USB ports, supports mouse, keyboard, USB drive, portable hard drive, and etc. - Anti-slip and anti-scratch pad, not piling up, not coming off, protect your table or other surface. - Compatible with Windows XP/Vista/7/8/10 and with USB support Package list: 3 x USB hub