... .8 mm , 70 g 3. USB 2.0 interface 4. Windows, Mac, Linux os ACR112U NFC Reader The ACR122U NFC Reader ... development Java, visual C++, Delphi support Useful help files Beside the above all, useful help files and sample codes are provide you ... :50 mAnormal :100 mABi-Color LEDRed and GreenBuzzerMonotone4. OS supportWindows XP, Vista ,Windows 7, Linux and Mac OS5. CertificationCE, FCC and ROHS ...