Lexar 1066x MicroSDXC Memory Card: Designed for your action cameras, drones, or high-end smartphones and tablets, Lexar Professional 1066x microSDXC UHS-I cards SILVER Series let you quickly capture, playback, and transfer multimedia files, including 1080p full-HD, and 4K UHD video, and high-resolution photos with read speeds up to 160MB/s and write speeds up to 120MB/s . The cards are Class 10, U3, V30 rated for high-performance video recording. The cards are also A2 rated allowing you to load apps faster on your Android A2 enabled device. This premium memory solution provides the speed and space you need to capture more adventure on the go. Limited lifetime product support for card and one-year for adapter.