1. Universal Compatibility 7-in-1 USB 3.0 Card Reader 2. Compatible with multiple devices Surface, Ideapad, , Airretina, etc. 3. Super-speed USB 3.0 data transfer to 5gbps to transfer HD in seconds 4. Simultaneously write and read 5 cards efficiently transfer and save a lot of time 5. Simultaneously read and write 5 cards /SD/TF/XD//SD card Plug and play compatible with /8. 1/8/7 Vista, XP, OS or Linux Model:CR324 Interface:USB 3.0 Support memory card:, SD, TF, 25892730236 Installation :external requirements:Windows Vista/XP/7/8/10, Linux, OS Weight:53 (g) Style:simple style Interface type:USB 3.0 Type:Multi-function card reader Applicable objects:office workers Colour:Black Material:ABS Size:11x4.8x1.2CM,line length 12CM Package Contents: 1 * multi-function card reader 1 * Chinese and English instruction manual 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.