Hard disc enclosure 2.5-inch with one-touch backup function Transmission interface: USB 2.0 Transfer rate: up to 480Mbps Supports storage for hard disk: 100GB or higher Power: 5W (+5V DC 500mA) Work temperature: 5 to 60 degrees Celsius Humidity: 8% to 90% Strike resistant capacity: 125g per 2ms (work), 400g per 2ms (idle) Quake resistant capacity: average 0.70g in 5 to 500Hz Operating systems: Windows 98 SE, ME, 2000, XP, 2003, Linux 2.4.X or higher and Mac OS 10.0 or higher