Features 1, connect a mouse, without having to touch-screen operation. 2, connected to a wireless network card, anytime. 3, for OTG adapter to connect the keyboard to write text messages. 4, OTG adapter connected U disk / card reader, read only access data. 5, OTG connect a game pad, enjoy the transmission speed of USB2.0. Life: Interface plug terminals 100,000, can still maintain normal use Product information Applicable models: Samsung Android phone Scope: voltage, current and other design parameters in full compliance with international standards Features: data file transfer, Performance: avant-garde design, injection molding process, excellent quality Chip: Imported A + FLASH Size: 50 * 10 * 6mm System Requirements: wi98 / me / 2000 / xp / vista / 7 / 8macintosh9.xorlaterlonuxkemel2.4orlater Android smart device with OTG function Color: black / white / pink / green / blue Packaging Information OTG adapter 1 * Note: The image on the memory card are demonstration, the memory card is not sent.