Lots of Performance, in a Tiny Package Action Camera & Smart Phone Approved Supports HD, 3D & 4K Video + High Frame Rates Time-Lapse, Photo-Burst & Continuous JPEG Ready Rugged & Durable Transfer Speeds up to 56MB/s UHS-I (Speed Class 1) Tested & Recommended by GoPro(R) for HERO 3/3+ Cameras Includes a Full-sized SD Adapter Product Description Delkin microSD cards aren't just for tablets & phones anymore; our UHS-I enabled microSD cards are designed specifically for demanding jobs like recording 4K video, continuous shooting and time-lapse photography at short intervals, and quick transfers to your computer. With transfer speeds up to 56MB/s, you can swap these cards between your action camera, smart phone, and tablet, or slide the card into the included SD adapter and use it as a full sized SD card in your camera or any other SD compatible device. Paraphrased from the GoPro website (GoPro SD Card Recommendations): GoPro SD Card Recommendations It's important to use one of the recommended SD cards in your camera, or you may experience freeze-up or video corruption issues. Not all Class 10 microSD cards have the same data write speeds. If you plan to shoot in 4k, 2.7k, or Protune video modes with your HERO3: Black Edition camera, we recommend using one of the following microSD cards for the best performance: Delkin 32GB SDHC (DDMICROSDPRO2-32GB) Delkin 64GB SDXC (DDMICROSDPRO2-64GB) We recommend only purchasing name brand SD cards through reputable resellers (manufacturers). A Class 10 MicroSD card up to 64 GB is required."

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