Olatec Performance 128GB High Speed SDXC Class 10 UHS-I, 58hr HD Video,U1 Up to 60MB/sec Flash Card Up to 60MB/sec speed for the ultimate transfer rates Large capacity options up to 128GB let you enjoy shooting longer without changing cards Reliable & Durable: Magnet Proof, Shock Proof, Temperature Proof, Waterproof Fast speed performance minimizes time spent transferring photos and video to your computer Class 10 UHS-I, U1 performance allows burst-mode shooting, Full HD and 4K Ultra HD video recording