SanDisk Ultra Dual Drive USB Type C Flash 256 GB (Phone Storage, For smartphones, tablets, Macs and computers, Retractable Double Connection & A, 150 MB/s Transfer rates)

Amazon

Easily transfer files between smartphone, tablets and computers Free up space on your Android smartphone Retractable design with a reversible USB Type-C connector and a traditional USB Type-A connector High-speed USB 3.1 performance of up to 150MB/s SanDisk Memory Zone app for Android (available on Google Play) lets you easily manage and back up content on your smartphone and tablet

Currys

Good to know- Easily move files between your phone, tablet and computer with this SanDisk dual memory stick- 256 GB of storage is plenty for all your photos, films and documents- With speeds of up to 150 MB/s, you won't have to wait around for your data to load- Download the Memory Zone app to view, access and back up files from your phone