DescriptionThis 3-port USB hub is made of premium material, which can withstand long-lasting use. Features the ABS material, which has high durability, not easy to deform. Fine workmanship, ensures practicality.Features-Color: Black-Material: ABS -Size: 5.50X2.50X2.00cm/ 2.16X0.98X0.79in Port: 1 x USB 3.0, 2 x USB 2.0 Working temperature: 0-70 Celsius degree Storage temperature: 10-90 Celsius degree Humidity: 10%-90% Non-condensing - Support triple USB ports using at the same time, no need to install driver by yourself. - Solid appearance, sturdy plug and unplug, good performance and durable in use. - With over current, over voltage, electricity leakage, short circuit and clutter protection, safe to use. - It is simple in design, but very practical in use, which brings great convenience to you. - It is manufactured with professional technology to ensure the high-quality of the product and can work for a long time.