TV CompatibilityUp to 160MB/s* read speeds to save time transferring high res images and 4K UHD videos. Requires compatible devices capable of reaching such speeds,Up to 60MB/s* write speeds for fast shooting. Requires compatible devices capable of reaching such speeds,4K UHD and Full HD ready with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30),Rated A2 for faster loading and in app performance Built for and tested in harsh conditions: temperature proof, water proof, shock proof and x ray proof