Features:1. USB MULTI CARD READER - with ultra fast USB 3.0 transfer speeds, wide memory card compatibility and an ultra compact design, our USB 3.0 Card Reader is the perfect, all in one card reader for busy professionals and everyday users!2. USB 3.0 COMPATIBLE - designed with ultra fast, plug and play USB 3.0 transfer tech, offering up to 5 Gbps data transmission speeds, ideal for transferring music, high resolution images or high definition video seamlessly between devices. Fully backward compatible with USB 2.0 and 1.1 Ports without driver downloads!3. WIDE CARD SUPPORT - forget bulky adapters and easily lost card converters, our USB Reader offers instant, all in one, hot swappable support for modern memory cards including SD, SDHC, MMC, RS MMC, MMC mobile, MMC micro, SDXC, Micro SD And T-FLASH!4. SLEEVE FRIENDLY DESIGN - all in one, ultra portable, lightweight design measures just 8.9 mm thick, together with a tough, protective USB cap, ideal for carrying in ultra slim laptop, notebook and tablet sleeves without wires or bulk, for easy card access on The go!5. LED DATA INDICATOR - equipped with a high-visibility LED data transfer light indicating data transmission activity for super safe card insertion and removal, making corrupted data and damaged cards a thing of the past! Descriptions:USB3.0 ultra-high speed transmission, while backward compatible with USB2.0.Compact shape, easy to carry and use.Better performance/compatibility. Specifications:Material: PCColor: white, blackInterface: USB3.0Transmission speed: (USB3.0, 95M/S, backward compatible with USB2.0 and USB1.1)Operating temperature: 5 C -40 CStorage temperature: -20 C -70 CSupport system: for Windows 98/ME/2000/XP/2003/Vista/2008/ for Windows 7MACSafety certification: CE and FCC approval (theory)Size:56*16*7mmPackage included:1 x USB3.0 Multi-interface Card ReaderNotes:1. Please allow 1-3cm measure error.2. The color of the actual items may slightly vary from the above images due to different computer screen, thanks for your understanding.