1. One card reader for multiple cards with 5 card slots 1 in 5 USBC3 0 memory card reader designed with 5 card slots, allowing you to read and transfer data 2. Compatible with devices for Surface, ideapad, , Air Retina, etc. 3. Fast transfer to 5gbps (10 times faster than USB 2.0 interface), upload photos and videos in seconds 4. Unicersal compatibility for /8/8. 1/7/Vista/XP and and Chrome OS plug and play Product Description: Model: CR307-A & CR307-C Interface: USB 3.0 Support memory card , SD, TF, XD, CFastMMC, PRO, Duo Installation : external Requirements: are supported Style: simple style Interface type: USB 3.0 Type: Multi-function card reader Applicable objects: office workers size: 7.8 x 2.5 x 1.7cm Material: aluminum alloy colour: grey Package Contents: 1 x USB 5 in 1 multi-function card reader 1 x Chinese and English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.