KOOTION 4-Pack 256 GB Micro SD (TF) Cards with SD Adapter — U3 V30 High-Speed Memory for Phones, Tablets, Cameras & Security Systems

Broad device compatibility: KOOTION microSD (TF) cards work with smartphones, tablets, digital cameras (when used with the included SD adapter), game consoles, security cameras, camcorders, dash cams, drones and surveillance systems. High-performance speeds: These KOOTION cards are rated UHS Speed Class 3 (U3) and V30, delivering faster read/write performance than U1 and making them suitable for 4K video capture — ideal for car recorders, surveillance cameras and other high-bitrate recording applications. Storage and backup: Use KOOTION TF Cards to store or back up high-res photos, videos, documents, music and more, adding substantial extra capacity to your devices. Improve device performance: Expanding memory with KOOTION cards frees up internal space so your device can run more smoothly. Durable, reliable design: Built with a high-quality chip, KOOTION micro SD cards are water-resistant, anti-magnetic, shockproof and resistant to high and low temperatures, helping keep your data safe in demanding conditions.