Features Specifications:Sell Memory Stick,memory stick pro duo,Micro M2 card,memory stick pro duo 4GB  We are professional producer and whole saler of all types of memory cards, including Memory Sticks, M2, Micro SD, Mini SD, MMC, SD, XD, MMC Mobile (DV), CF, etc -- with excellent quality and good service.  1. 1g,2g,4g,8g for your choice.  2. 1year warranty.  3. High speed write/read speed, 50% faster than the same product from other factory. Features:  1) Interface: 10-pin serial memory stick interface and 4-pin parallel 2) Operating voltage: 2.7V - 3.6V 3) Power consumption (parallel): 100mA (max.)  4) Power consumption (serial): 65mA (max.) 5) Min. write speed: 15Mbps on memory stick Pro Duo and memory stick Pro enabled devices, optimized with 4-pin parallel interface 6) Dimensions (approx.): 0.79 x 1.22 x 0.06" (20 x 31 x 1.6mm) 7) Weight (approx.): 0.07oz. (2g) 8) Operating temperature: -13 ~ +185°F (-10.56 ~ +85°C)