Macally Wireless Travel Router, Media Hub, & 2600mAh External Battery with USB Port & SD Card Reader (WIFISD2) WiFi storage technology allows you to stream your media files to your smartphones, tablets, and other smart devices. Use it as a travel router and transforms your wired network into a wireless network that can be shared with multiple users Backup your photos and videos with one touch from your iPhone, Android phones, or other mobile devices and tablets to attached USB flash drive, hard drive, or SD card Built in 2600mAh portable battery that can be used to charge your smartphones in emergencies. Backed with one year of warranty.