INTERFACE: UHS-I (Ultra High-Speed) VIDEO SPEED CLASS: V10 (ideal for Full HD video recording) THIS BUNDLE FROM TEDS ELECTRONICS INLCUDES: 3x Transcend 256GB 300S UHS-I SDXC Memory Card COMPATIBILITY: Compatible with devices that support SDXC (such as DSLR cameras, camcorders, laptops, and card readers) DURABILITY: Shockproof. Temperature-proof. Waterproof. X-ray-proof (providing protection in various environmental conditions)