Featuring a minimum write speed of 4 MB/s. Transcend's Class 4 micro SDHC cards are a smart & cost-effective choice for you to capture & store more of your everyday life with your mobile gadgets. All micro SDHC cards are comprehensively tested for compatibility & reliability, & carry Transcend's Limited Lifetime Warranty. Each card contains built-in ECC (Error Correction Code) that automatically detects & corrects errors during data transfer, & also utilizes a sophisticated wear-leveling algorithm for consistent long-life operation. Transcend High Capacity micro SD Card series are specifically designed to meet the High Capacity, High Definition Audio & Video requirement for the latest Digital Cameras, DV Recorders, Mobile Phones, etc. The defined Speed Class enables the host to support AV applications to perform real time recording to the micro SD memory card. Features 8GB Capacity Fully compatible with SD 2.0 Standards Only 10% the size of a standard SD card SDHC Class 4 compliant Easy to use, plug-&-play operation Built-in Error Correcting Code (ECC) to detect & correct transfer errors Complies with Secure Digital Music Initiative (SDMI) portable device requirements Supports Content Protection for Recordable Media (CPRM) Allows In System Programming (ISP) for updating firmware Supports auto-standby, power-off & sleep modes Mechanical write protection switch Ro HS compliant Lifetime Manufacturer Warranty