... . LED light to indicate whether work or not 3. We ca Features:1. Multi-Card Reader + USB HUB 2. ... LED light to indicate whether work or not3. We can ... different demand of thecustomers4. With import chips, the card reader supports hot-swapping, and be compatible withUSB 2 ... .1. 5. Supports CF, SD, MMC, XD, MS card, etc. 6. Power supply: DC+5 vols is supplied ...