Beach Camera 2-Packs Lexar 64GB microSDXC UHS-I 633X High-Performance Memory Card with USB 3.0 Reader includes Bonus Instant Savings Coupon LEXAR AUTHORIZED DEALER With FULL Warranty INCLUDES BONUS Instant Savings Coupon ALSO INCLUDES 2 x High-speed, Class 10 card and USB 3.0 Readers PREMIUM MEMORY SOLUTION for sports camcorders, tablets, and smartphones. QUICKLY CAPTURES, stores, plays back, and transfers media files, including 1080p fullHD, 3D, and 4K video | Leverages UHSI technology for a transfer speed up to 633x (95MB/s). PERFORMANCE OF U1 and U3 version is exactly the same.RECOMMENDED by GoPro for use with Hero3 and Hero3+.