These cards are completely compatible with mobile phones, laptops, tablets and other devices that support the microSDHC format and are capable of recording hours of HD video (720p).
Durable Design
Designed to withstand the toughest conditions, SanDisk microSD and microSDHC Memory Cards are waterproof, shockproof, and X-ray proof. They can operate in temperatures ranging from -13 to 185 degrees Fahrenheit, so you can enjoy mobile media in almost any climate. Even if your device doesn't survive, your SanDisk memory card will.
Technical Specifications of SanDisk microSDHC Memory Cards Class 4 4GB - SDSDQM-004G-BQ35
Capacity 4GB
Transfer Rate Class 4 Speed performance rating (based on SD 2.0 Specification)
Others Shock proof, x-ray proof, temperature proof, and waterproof