Description: The expansion dock is plug and play, which is convenient to use. The expansion dock adopts intelligent chip, which allows for high-speed and stable transmission. Made of aluminum alloy, the expansion dock is stainless and hard to use. The length of the expansion dock is 6.5cm, width is 1.6cm and thickness is 1.7cm. The cable length is 7.5cm. The expansion dock is compatible for Windows 10.8.7/Vista/XP and for Mac 10.4.6. Item Name: Expansion Dock Material: Aluminum Alloy Color: Sea Blue Color, Silver Color Style: Type-C, USB(Optional) Interface Type: 1 x Type-C to USB3.1, 1 x USB2.0, 1 x USB3.0, 1 x Micro-SD Card Interface, 1 x TF Card Interface Cable Length: 7.5cm Power Output: 5V/2A Electric Power: 10W USB Downstream Current: 500mA USB Transmission Speed: 5Gbps TF/SD-Card Transmission Speed: 18-20Mbps Compatibble System: for Windows 10.8.7/Vista/XP, for Mac 10.4.6 Size Details: Expansion Dock: 6.5cm x 1.6cm x 1.7cm/2.56" x 0.63" x 0.67" (Approx.) Cable Length: 7.5cm/2.95" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Package Includes: 1 x Expansion Dock