Description: 1.Total Storage Capacity: 4 GB, available Storage approx 3.86GB. 2.Transfer Speed 160Mbps (20MB/sec) in Parallel Transfer (Theoretical maximum speed). 3.Minimum Write Speed 15Mbps. 4.Interface: 10-pin Serial Memory Stick Interface and 4-pin Parallel. 5.Operating Voltage 2.7V-3.6V. 6.Average Operating Current (Parallel Transfer) 100mA (max.). 7.Average Operating Current (Serial transfer) 65mA (max.). 8.Dimensions (Approx.): 0.79" x 1.22" x 0.06" (20mm x 31mm x 1.6mm). 9.Weight (Approx.): 0.07oz (2g). 10.Operating temperature range of -13° F to 185°,greater durability.