Your Android device most likely does not have a regular USB port. You need the right accessories to attach USB sticks to your Android tablet or smartphone. Here are 3 USB OTG flash drives you can attach to your device to access your files:
Leef Bridge 32GB Dual USB Flash Drive: this flash drive is compatible with Mac, Windows, and Android devices. You don’t need WiFi or cables to use this. No battery is required.
ADATA USA DashDrive Durable UD320 USB Flash Drive: compatible with all Android 4.1 and higher devices. It lets you backup your smartphone conveniently.
Onite CoolFlash Dual Purpose USB Flash Drive: a dual purpose flash drive for Samsung, LG, ASUS, and other tablets and smartphones. It supports data encryption.
These flash drives make it easier to backup your smartphone or tablet data. They simply get the job done.