Key features: - Save time transferring content: SanDisk QuickFlow™ Technology for quick read speeds up to 190MB/s. - Write speeds of up to 130MB/s: Capture fast-action photos or shoot 4K UHD video. - Great for capturing 4K UHD Video: Ideal for outdoor adventures, offering uninterrupted 4K UHD and Full HD video capture. - Load apps faster with A2: Ensures faster app performance for an exceptional smartphone experience. - Durable design for extreme environments: Shockproof, temperature-proof, waterproof, and X-ray-proof. - Tested and certified to work seamlessly with Chromebooks. - Up to 120MB/s transfer speeds for quick file movement. - Class 10 for Full HD video playback directly from the card. - Water-proof, temperature-proof, X-ray-proof, magnet-proof, shock-proof. - Capacity: 64GB - Form Factor: microSDXC™ - Compatibility: Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices.