DSM-U09 specification: 1. USB interface:2.0 compliance 2. Read/write speed: Read 960KB/S,write.860KB/S 3. Power supply: 3.3V.Maximum 38mA,stand by 29uA 4. LED indicator 5. Weight: 8g Please kindly contact me if you are interested in. My MSN is irlvch at hotmail.com