TF card reader, LED display, usb 2.0,plug and paly, hot sale TF card reader1. Can read and insert :SDSDHCRS-MMC(MMC Mobile4 ... ,PDA,digital camera,move a telephone etc. the product and calculator exchange a data data;3. Can directly line on card reader to ... scan or edit picture or documents4. USB 2.0 USB1.1 compatibal5.Digital transmit speed attached to ...