Brand : Strontium NITROSpeed : Class 10, U1High Performance - ReadSpeed Up to 85MB/swith UHS-I U1 Class 10 Specification. For Android Smartphones, Tablets, Drones, Action Cams and MoreTechnology - 85MB/s Performance for Full HD Recording and Playback, High Resolution Photo CapturingPeace of Mind - Strontium Lifetime Limited WarrantyDurable with 4 Proof - Water Proof, Temperature Proof, Magnet Proof and X-Ray Proof