... 1. Built-in RF antenna 2. Support Android/Windows mobile 3. EMV, MFI certification 4. smartphone card reader ... Features: 1. Support for USB2.0(PC/Android/window mobile, smart phones) and 30pin(iPhone(1,3G,3GS,4G), ... ,4))Full speed mini-USB2.0 (PC/ Android /window mobile, smart phones)Full speed Micro-USB2.0 (PC/ Android/ ... 1/2*, MFI Specification smartphone card reader for mobile phone payment