New Page 3 Product Information: Lexar High-Performance microSDHC /microSDXC UHS-I cards (300x) make it easy to quickly capture, play back, and transfer 1080p full-HD, 3D, and 4K video, as well as the highest-quality movies, photos, and songs. The cards leverage UHS-I technology to deliver high-speed, Class 10 performance up to 300x (45MB/s), and include an SD adapter for easy file transfer. These premium memory solutions give you the speed and space you need to enjoy more of your favorite multimedia on the go. Do more with your multimedia. Designed for use with your tablet, sports camcorder, or smartphone, Lexar High-Performance microSDHC/microSDXC UHS-I cards (300x) make it easy to quickly capture, play back, and transfer all your favorite media files, including videos, the highest-quality movies, photos, and songs. Get more from your device. Speed rated at Class 10, High-Performance microSDHC/microSDXC UHS-I cards leverage UHS-I technology to deliver a transfer speed up to 300x