Storage backup: This Trip Mate Titan transfers files between multiple USB hard drives and your devices (phone/tablet/computer) to free much more space up for your devices. Wireless router: instantly convert a wired network to wireless network. And bridge and extend Wi-Fi, share internet securely with others (but it's not a hotspot and do not support VPN). Media Streamer & Sharer: seamlessly share with your families, friends and stream your videos, photos, and music on your connected smartphones, tablets, TVs, media players, Chromecast, Roku, and other DLNA devices, via app HooToo Trip Mate Plus. New USB reader technology: wirelessly recognize USB Flash Drive, hard disk, SDHC, SDXC cards with your devices (phone/tablet/computer) via Trip Mate app, even more support with a USB hub. Upgraded chip & external battery packs: built-in 10400mAh power bank (5V/2. 1a) enables you to charge your iPhone or smartphone up to 3 times. Please use the latest app: HooToo Trip Mate Plus. Note: it cannot be compatible with hot spot.