Features: 1. Total storage capacity: 4GB 2. Available storage capacity: 3,670MB 3. Interface: 10-pin serial memory stick interface and 4-pin parallel 4. Operating voltage: 2.7V - 3.6V 5. Power consumption (parallel): 100m A (max.) 6. Power consumption (serial): 65m A (max.) 7. Dimensions (approx.): 0.79" x 1.22" x 0.06" (20mm x 31mm x 1.6mm) 8. Weight (approx.): 0.07oz. (2g) 9. Operating temperature: -13 - 185