Silicon Power LuxMini 710. Capacity: 8 GB, Interface type: USB 2.0, Form factor: cap. Width: 15.5 mm, Depth: 49.7 mm, Height: 7.1 mm. Operating voltage: 5 V. Operating temperature range (T-T): 0 - 70 °C, Storage temperature range (T-T): -40 - 85 °C