The latest USB2.0 interface, card, FLASH DISK, card reader Card reader no longer need to Plug and pull out the USB interface frequently for changing card,just pressing the button can realize that. This card reader has been already tested that no compatibility problems with card,PC card and FLASH DISK card such as for ,for HITAHCHI, for SILICONTECH,for , for ,for ,vSMART WHITE ELECTRONIC DESIGNS,for SIMPLE TECHNOLOGY,. Used in 7,WIDOWS XP, 2000, VISTA and ME system, no need to Install driver, but in WINDOW98 or other old systems need to. used with multi-adapter with PCMCIA connector such as SD,MS,XD,SM, can direct read SD card, memory stick, XD card, SM card. Size: 120 x 95 x 28mm how to use: 1. Plug the card first then the USB, or plug USB into computer first, then push off the light, plug the card, push on the light , the XP system feel and read the card. 2. When you finish using, pull out the USB first then the card, or off the light then pull out the card. 3. Use this card reader copy the JPG pictures into cards, push off, push on and read them, if the pictures without distortion,means this card and the reader are compatible with each other. Note: 1. The card used needs to be above 20M 2. This card reader is custom-made, only suit for ordinary storage card with 68 holes up and down, other model are not supported. 3. The reader does not support an CARDS, P2 CARD, high-speed CARD, LINEAR CARDS and types of FLASH MEMORY CARD Color: As Shown Material: Plastic Package Contents: 1 * Card reader 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.