SanDisk Ultra 4GB Class 6 Micro SDHC Memory Card Up To 30MB/s With Adapter- SDSDQY-004G-U46A (Label May Change) Transfer more files with faster transfer speeds up to 30 MB/sec Record more in Full HD with enabled Class 6 video recording capability Easily transfer files to and from your PC with the included SDTM adapter Organize and transfer your photos, videos and music with included SanDisk Media Manager Store more with capacities of up to 32 GB More speed for faster photo, video and app performance 4gb Up To 30mbps Read Speed Write Speed Lower-performance May Be Lower Depending Upon Host Device Class 6 Rating For Uninterrupted Full Hd Video Recording Ideal For Use With Smartphones & Tablets Capacity Provides Space For Songs, Photos & Video Clips Durable & Reliable Compatible With All Microsdhc(tm) Supporting Host Devices