Description: Main functions: 1. Wide compatibility: Compatible with smartphones, tablets, cameras, GoPro/action cameras, laptops, desktop computers, SLRs, drones, Nintendo Switch/other portable consoles, etc. 2. High quality storage: Ideal for high resolution photos, for recording and storing Full HD/4K video and any other data type 3. Super high speed: reading speed 70-100 mb/s. The write speed is 15-30 mb/s (depending on the memory size). UHS, U3, Class 10 and A2 speed ratings for the best smartphone experience 4. Durable: shockproof, IPX6 waterproof, temperature resistance (-10 to 80 ), X-ray and antimagnetic 5. About capacity: 16GB = about 14GB-15GB 32GB = approx. 28GB-30GB 64GB = about 58GB-60GB 128GB = about 116GB-120GB 256GB = about 220GB-240GB 512GB = about 450GB-480GB 1TB = approximately 980GB-1000GB This is the calculated difference between the manufacturer and our computer, please Google "Memory Card Capacity" for more information. Specifications: 1. Regular formatting of the memory card can extend the life and storage space, while better protecting privacy. 2. Please do not use cheap card reader to test the storage card, poor quality card reader will reduce the speed of the storage card. Package Included: 1 * Memory card 1 * SD card set