Memory Stick PRO Duo is a removable memory flash storage card,It is small but reliable and easy to use.Memory Stick PRO Duo:Mark2 MS card1. Interface: 10-pin serial memory stick interface and 4-pin parallel2. Operating voltage: 2.7 - 3.6V3. Power consumption (parallel): 100mA (max.)4. Power consumption (serial): 65mA (max.)5. Minimum Write Speed: 15 Mbps on Memory Stick PRO Duo6. Transfer speed: 80Mbps (under optimal conditions)7. Dimensions (approx.): 0. 79 x 1. 22 x 0. 06" (20 x 31 x 1. 6mm)8. Weight (approx.): 0.07oz. (2g)9. Operating temperature: -13 185°F (-10.56 85°C)