Comply with new UHS-I U3 specifications A2 qualified - help to install and run APPs faster V30 video speed class: can record a minimum 30MB of video per second High compatibility across multiple devices: smartphones, tablets, digital cameras, and video recorders Support Full HD 1080p and Ultra HD 4K recording and playback Rugged durability: waterproof, shockproof, antistatic, X-ray proof, and wide temperature support (-25 to 85 celsius degree)