This USB splitter has high speed transmission.It is plug and play, low power consumption, hot-plugging and easy to install and use.It allows simultaneous operation of up to 3 separate devices all attached to a single USB port.The speed is up to 480Mbps, supporting USD2.0 and it is compatible with USB1.1 as well.Built-in current overload short-circuit can protect devices.It is suitable for Win95/98 / Me / 2000 / XP, for Linux2.4 and for Mac os8.5 or above.Item Name:Cable HubMaterial: PlasticFeatures: 4Ports, High Speed, Plug and PlaySize: 5cm x 4cm x 1cm/1.97" x 1.57" x 0.39" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 xCable Hub