SanDisk Ultra 16GB Dual Drive USB Type-C (SDDDC2-016G-G46) The flash drive for USB Type-C devices Easily transfer files between smartphones, tablets and computers Free up space on your Android smartphone (Mobile device requires USB Type-C port and On-The-Go (OTG) support) Retractable design with a reversible USB Type-C connector and a traditional USB connector High-speed USB 3.1 performance of up to 130MB/s Read Speeds (USB Type-C port with USB 3.1, Gen. 1/USB 3.0 support required. Based on internal testing; performance may be lower depending upon host device.) SanDisk Memory Zone app for Android (available on Google Play; Download and installation required) lets you easily manage and back up content on your smartphone and tablet 5-year limited manufacturer warranty