Capture more fast action & record more Full HD or 4K Ultra HD-ready video with your Android based smartphone, tablet or MIL camera. San Disk Extreme cards are built tough for extreme durability even under challenging environmental conditions. Fast speeds reduce the time youâre on hold while your pictures & videos move to your card or from your card to your computer. Storage capacities from 16GB to 128GB expand device memory & leave room to record video thatâs ready for the new 4K Ultra HD television screens & monitors. Specifications Capacity: 128GB Read Speed: up to 100 MB/s Write Speed: up to 90 MB/s Form Factor: micro SDXC Video Speed: C10, U3, V30 SD Adapter: Yes Performance: Up to 100MB/s read & up to 90MB/s write speed Dimensions: 0.59in x 0.43in x 0.03in (15mm x 11mm x 1.0mm) Operating temperature: -13 Fahrenheit to 185 Fahrenheit (-25 Celsius to 85 Celsius) Storage temperature: -40 Fahrenheit to 185 Fahrenheit (-40 Celsius to 85 Celsius) Compatibility: Compatible with micro SDHC, micro SDXC, micro SDHC UHS-I, & micro SDXC UHS-I supporting host devices Warranty: Lifetime limited warranty Box Contains 1 x 128GB Micro SD Card (SDXC) & Adapter