Specification Brand : Cloudisk BulletPoint1 : Optimized for various devices: Cloudisk micro SD cards are compatible with most devices that support micro SD or SD cards, such as smartphones, tablets, cameras, drones, dash cams, DVRs, and more; They are also backward compatible with UHS-I and non-UHS devices BulletPoint2 : High speed performance: Cloudisk micro SD cards support UHS-I U3 speed class, offering up to 60MB/s read speed and 35MB/s write speed; They can handle 4K UHD video recording, high-resolution photos, music, and more with ease. BulletPoint3 : Large capacity: Each card has 4GB of storage space, enough to store thousands of pictures, hours of videos, or hundreds of songs BulletPoint4 : Durable and reliable: Cloudisk micro SD cards are shockproof, waterproof, temperature-proof, and X-ray-proof, ensuring your data is safe in various environments BulletPoint5 : Easy to use: Cloudisk micro SD cards are plug-and-play, no need to format or install any software; Just insert the card into your device and start enjoying your digital life BulletPoint6 : Affordable and high-quality: Cloudisk micro SD cards are made of high-quality materials and undergo rigorous testing to ensure their performance and reliability; They are also affordable and offer great value for money Color : Blue CompatibleDevices : Smartphone CompatibleDevices1 : Cocall 2X CompatibleDevices2 : Cocall 1 CompatibleDevices3 : Cocall 2 ItemName : Cloudisk Pack of 2 Micro SD Card 4GB U1 Class 10 Micro SDHC Memory Card Optimized for Gaming, Cell Phone, Camera, Tablets and Drones (4GB) ItemPackageDimensions_Height : 0.3 inches ItemPackageDimensions_Length : 5.5 inches ItemPackageDimensions_Width : 4.3 inches ItemPackageQuantity : 1 ItemTypeKeyword : micro-sd-cards Manufacturer : Cloudisk MemoryStorageCapacity : 4 GB ModelName : Bull Moose Session ModelNumber : TF-Blue-2 NumberOfItems : 1 PartNumber : CDYW5pack 1GB ProductDescription : Cloudisk Pack of 2 Micro SD Card Optimized for Gaming, Cell Phone, Camera, Tablets and Drones ProductSiteLaunchDate : 2019-11-27T10:09:38.449Z ReadSpeed : 60 megabytes_per_second SecureDigitalAssociationSpeedClass : class_10 Size : 4GB SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 WarrantyDescription : 1 Year