The SanDisk Extreme Pro microSDHC/microSDXC UHS-I memory card is ideal for fast performance on smartphones, tablets, cameras and action cameras. For capturing 4K ultra HD and full HD videos and enjoying transfer speeds up to 170 MB/s of read speed and 90 MB/s of write speed you can shoot professionally! Experience fantastic, quick responsiveness from your phone. These SanDisk Extreme Pro microSD UHS-I cards are shock proof, waterproof, x-ray proof and temperature proof that will protect your data from extreme conditions. Bundle includes: (1) 256GB Micro Extreme Pro Memory card and (1) Everything But Stromboli (TM) 3.0 Card reader

A2 for extremely fast app performance and Speed Class 10 for Full HD video recording and playback. UHS Speed Class Video 30 (V30) 2 means that your card is ready for forays into virtual reality and 360 ° video record. In addition, it provides UHS Speed Class 3 (U3) to receive Full HD and 4K UHD videos. This new, faster version of the 256GB has Read speeds up to 170mb/s and up to 90mb/s Write speed!. Compatible with S9, S9+, S8, S8 Plus, S7, S7 Edge, and other compatible Samsung Phones!. Bundle includes: (1) 256GB Micro Extreme Pro Memory card and (1) Everything But Stromboli (TM) 3.0 Card reader.