A portable wireless NAS (Network Attached Storage) that combines the functions of a wireless router to create Wi-Fi hotspots, a storage to archive your media and a power bank. Users that connected to the device can access to the stored media, eg, multiple users can see different movies in the device at the same time. It can connect to the Internet via Ethernet or 3G/4G cards, and people can also watch videos that stored in a micro-SD card offline.