Integral Premium High Speed MicroSD (MicroSDHC/XC) Cards are the perfect partner for your high-spec smartphone or tablet. Enjoy more space for photos, videos, music and apps. These superior Cards offer super-fast read and write speeds and you can record 4K Ultra High-Definition video and take burst mode photos with confidence.Features- Ideal for use in compatible smartphones, tablets, digital cameras, actions cams, drones and game consoles- V30 specification ensures smooth video capture even when shooting at 4K Ultra HD and Full HD. No lag or dropped frames- Read speed up to 100 MB/s for faster video steaming and efficient data transfer- Ultra-fast write speed for reliable burst mode and high-detail photography- A1 App Performance Specification - high IOPS ensures best performance in compatible smartphones and tablets- UHS-I, U3 specification- SD Adapter included- 5 year warrantySpecificationsSpeed: Up to 100MB/s transfer speed (write speed lower). Based on internal testing; performance may be lower depending on host deviceMemory Card Type: MicroSDHC/XC CardInterface Type: 8 PinEnvironmental Parameters: Min Operating Temperature -25