Features: 1) Capacity: 128MB - 2GB 2) Interface: 10-pin serial memory stick interface and 4-pin parallel 3) Operating voltage: 2.7 - 3.6V 4) Power consumption (parallel): 100mAh (max.) 5) Power consumption (serial): 65mAh (max.) 6) Min. writing speed: 15Mbps on memory stick with memory stick enabled devices, optimized with 4-pin parallel interface 7) Approximate weight: 0.07oz. (2g) 8) Operating temperature: -13 - 185°F (-10.56 - 85°C) 9) Dimensions: 31 x 20 x 1.6mm We are a Chinese professional MP3 Player,MP4 Player,OEM ipod nano/shuffle,USB Flash Drive , sony/sandisk/kingston Memory Card Manufactory.100% our products are exported to overseas market. If you are searching for this products ,please contact with me for more detailed informations.