This item is well made of for durable and practical use. With protection function, it is and convenient to use. It can connect to USB devices such as webcam, mouse, printer, scanner and more . Just expand your computer’s connectivity with this 7-port USB hub with ON / OFF . Feature - Color: Black. - Material: Metal & Plastic. - Size: Approx. 16.5 * 3.5 * 2.2 cm / 6.50 * 1.38 * 0.87 inch (L * W * H). - Operating voltage: 5V. - Operating : 500mA. - Operating temperature: -20 to 75 degrees Celsius. - Storage temperature: -40 to 85 degrees Celsius. - High-speed USB2.0 port can be used simultaneously. - With protection function, and convenient to use. - Friendly and ergonomic design. - Supports up to 480Mbps data transfer rate and is for desktop table disassembly. Package list: 1 * 7-Port USB 2.0 Multi Charger Hub with High Adapter ON/OFF for Laptop PC (Black)