Product features: OTG USB flash drive Function upgrade, cell phones and computers are available Expansion of a mobile device, easy to store, the breakthrough mobile capacity limits, watch movies, play games, read documents, transfer of data is very convenient Mini shape, with you Metal shell, six protection (waterproof, antimagnetic, shockproof, UNBreak,dustproof,anti-static) Description System Requirement:Andriod and other mobile phone intelligent system Capacities:Genuine 32GB 64GB 128GB 256GB Interface: USB2.0 USB Service Voltage: 4.5V-5.5V Environment Temperature: -40 C - +70 C Storage Temperature: -50 C - +80 C Storage Lifetime: More than 10 years Operating System: Win98/ME/2000/XP/ Vista/7 , OS 9.X/Linux2.4 Convenient to carry Easy to read and read in high speed No need drive, only plug in No need power supply Support USB ZIP/HDD startup Small style and fashionable Shock resistance, damp proof, lighting resistance, antimagnetic endure impact and knock of 3 meters fall Use A-class chip, be erased repeatedly for 100,0000 times Compatible with PC, notebook, smartphone Package: 1X USB Flash Drive Seller introduction We are a leading professional USB flash drive factory in Shenzhen China,we only sell the products with real capacity and high quality WELCOME TO OUR SHOP AND WISH YOU A HAPPY SHOPPING