【High Capacity】 With a large 512GB capacity, you can store a large amount of data. You can store plenty of videos, photos, apps, and more. 【High-Speed Data Transfer】 The A1 V30 standard allows for fast app loading and provides a smooth user experience. It is especially ideal for use with smartphones and tablets. 【Reliability】 This product is from the KINGMAX brand, known for its high-quality memory cards. It excels in data safety and durability. - Brand: KINGMAX - Capacity: 512GB - Standard: microSDXC UHS-I - Speed Class: A1 V30 Thank you for viewing.