The SanDisk Ultra Dual Drive USB‑C 256 GB is a dual-connector flash drive featuring both USB‑C and USB‑A plugs, making it perfect for transferring files between modern smartphones, tablets, Macs, and older Windows PCs without any adapters. It supports USB 3.1 (Gen 1) with transfer speeds up to 150 MB/s and comes with a 5-year limited warranty and the SanDisk Memory Zone app for managing and backing up files