This expansion dock plug and play and widely compatible, which is easy and convenient to use. Stable and high-speed data transmission of this expansion dock is supported by its intelligent chip. It is constructed of ABS material. Supporting over-current protection and over-voltage protection, which is safe to use. The length of this product is 10.46cm, the width is 6.2cm and the height is 2.07cm. It is mini and portable, which can be carried with you easily and conveniently. This expansion dock is compatible for computer. Item Name: Docking Station Material: ABS Port: USB 2.0 Working Humidity: 10%-90% Operating Voltage: 5V Operating Current: 500mA Operating Temperature: -20 Degrees Celsius-75 Degrees Celsius Storage Temperature: -40 Degrees Celsius-85 Degrees Celsius Transmission Rate: up to 480Mbps Features: Multifunctional, Fast Transmission, Lightweight Size Details: L: 10.46cm/4.12", W: 6.2cm/2.44", H: 2.07cm/0.81"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Docking Station