Freecom DataBar 16GB. Capacity: 16 GB, Interface type: USB 2.0, Form factor: capless. Width: 55 mm, Depth: 20 mm, Height: 9.5 mm. Data retention: 10 year(s). Mac operating systems supported: Mac OS X 10.4 Tiger. Operating temperature range (T-T): 10 - 35 °C, Storage temperature range (T-T): -20 - 70 °C