Main Feature:
1) Fast transfer rate for reliable copy/download/backup. High storage capacity.
2) Non-volatile solid-state; No moving parts maximizes battery power. Data is not lost when power is turned off.
3) Low battery consumption to maximize battery life in small portable devices.
4) User selectable mechanical write protect switch on the exterior card casing.
5) Operating shock rating of 2, 000GS, equivalent to a 10-foot drop to the floor.
6) Security level complies with both current and future Secure Digital Music Initiative (SDWI) portable device requirements.
7) Compatible with M3 Perfect SD (Slim) and Super Card SD
8) Capacity: 4GB

Specifications:
Size: 15.0mm 11.0mm 1.0mm
Weight: 1.14g
Product Dimensions: 0.8 ounces
Shipping Weight: 1 pounds
Built-in write-protect switch prevents accidental data loss
Low power consumption is easy on device's batteries
Data transfer rate up to 2 Mbps (average)
Compact card is about the size of a postage stamp
Lifetime warranty