1GB Mobile Storage Reduced Size Dual Voltage Mmc Card Rsdvmmc Compliant with MMC Specification Read rate up to 15MB/sec. and write rate up to 8MB/sec (same when used with adapter) Dual Voltage range: 2.7V~3.6V, 1.65V~1.95V Low power consumption Backed by ACP-EP Memory's 5 Year Warranty