High-speed microSD card built for demanding applications. The SanDisk 128GB Micro Extreme delivers read speeds up to 190MB/s, making it ideal for 4K video recording, fast file transfers, and intensive mobile gaming. Engineered with A2 performance class for quick app launches and smooth operation. Durable construction withstands extreme temperatures, water, and shock. Perfect for action cameras, drones, and smartphones. Note: Adapter not included.