Optimized for Android devices, the Kingston Canvas Select Plus Micro SDXC card is a great everyday partner. With 256GB of storage, 100MB/s read speed and 4K Ultra HD support, theres a lot to like about it. KEY FEATURES : UHS-I U3 Class 10 speeds: 100 MB/s read, 85 MB/s write Capacity: 256 GB A1 ratin optimized for Android devices V30 Class: Records images and videos in 4K Ultra HD Rugged design Lifetime warranty, free technical support Operating temperatures: 25°C to 85°C Storage temperatures: -40°C to 85°C 3.3V voltage Other Specification   Class 10 - UHS I  Implementation Memory   256 GB  General Read (up to)   100 MB/s  Write (up to)   85 MB/s  Type   microSDXC-Card  Design   Incl. adapter  Manufacturer specifications Manufacturer   KINGSTON  Factory number   SDCS2/256GB  Package weight   0.012 kg  RoHS   conform  EAN / GTIN   0740617298710