Bluettoh Scanner or Rfid Scanner 30-50 Meters For Iphone Ipad Android Tablet Pc, Bluetooth Adapter(for Pc User), Power Adapter and Usb Cable Included, Support Mac Os X, Linux, Android Stock  Easy memory 500 to 10,000 codes, more comfortable working on a portable USB drive Compatible with Mac.linux,Windows 8/7/xp effective communication distance is 30-50 meters RFID SCANNER