Kingston's microSD memory card also helps you move data between phones. If you're changing service or upgrading your handset, the microSD lets you easily transfer phone lists, settings or ring tones. Its ultra-small size consumes very little power from your handset, to give you longer battery life on your phone. Each Kingston microSD comes with an SD adapter that gives you the convenience to use it as a full-size secure digital (SD) card in SD-enabled devices, including media readers such as Kingston's TravelLite and 15-in-1 Reader. Now you can instantly move pictures between multiple devices for sharing and printing. At home, in the office, at the airport, in an Internet café or at school — no matter where your mobile life takes you — trust Kingston's microSD. All cards come with a lifetime warranty, 24/7 technical support and legendary Kingston® reliability. Specification Standardized — complies with SD card specification standards Versatile — when combined with the included adapter, can be used as a full-size SD card Interoperable — with SD slot via SD adapter and with TransFlash™- enabled devices Dimensions — .43” x .59” x .039” (11mm x 15mm x 1mm) Speed Rating** — 8.8 MB/sec. read, 6.5 MB/sec write Operating Temperature — 0o to 60o C / 32o to 140o F Storage Temperature — -20o to 85o C / -4o to 185o F Weight — 0.04 lbs (1.41g) Ultra-Portable — extremely small footprint design