Seagate Wireless mobile storage broadcasts its own Wi-Fi network, so you can wirelessly stream your media and files to up to 3 mobile devices, on-the-go and off-the-grid. With up to 6 hours of battery life, expand your devices with an extra 500GB of storage space and carry your movies, photos, songs and documents with you. At home, cast your content to a Chromecast, LG Smart TV or a Roku player with ease. Navigate and enjoy content with ease with the seagate media app. Available at apple app store, samsung app store, google play, amazon appstore, and windows 8 rt. Storage space 500GB: GB1000 hours of video, 125000 MP3s, 100000 photos, 500 Divx movies. USB 2.0. Size H12.5, W12.5, L2.45cm. Http: //www. Seagate. Com/support-home/. Manufacturer's 2 year guarantee.