Product Features M2 Memory Stick Micro memory card is designed to meet the growing storage needs of multifunctional mobile phones. M2 is compatibility with all M2 slotted mobile phones as well as all memory stick pro duo slotted devices when accompanied with adapter. Specifications Brand: Sony Capacity : 8GB storage. Minimum write speed 15 Mbps or more. Can be written to, erased and reused thousands of times with out loss of quality. Dimensions : 0.05" Thickness x 0.49" Width x 0.59" Length operating temperature range : -25 to +85 (degrees). Compatible with : Sony Ericsson : K550i, K610i, K790a, K800i, K850i, M600i, P1i, S500i, T650i, W200a, W300i, W580i, W610i, W660i, W710i, W880i, W950i, Z530i, Z710i. Note : Please make sure your application supports M2 cards Package Includes 1 piece of Sony 8GB M2 Card