1. The micro SD card are universally compatible2. Non-Volatile Solid-State， Data is not Lost When Power is Turned Off.3. Security Level Complies with Both Current and Future Security Digital Music Initiative Portable Device Requirements4. SD Adapter available Any SD-slot device including PDA/Camera/MP3/Mobile phone5. Durable & High speed in Reading and Writing6. Dimensions: 15mm*11mm*1mm7. Operating Voltage: 2.7V~3.6V8. Operating Temp.: -25C~85C