Wi-Fi storage technology allows instant streaming of music video and photo sharing up to 5 users. Wireless streaming from storage media to Apple iOS and Google Android phones and tablets. Compatible with Flash drive USB hard disk drive and SD card. Supports HFS+(Mac) NTFS(Windows) and FAT32 format in the SD card or USB drive. Works with 802.11 b/g/n wireless routers. Works as a wireless access point. Supports Internet pass-through access. Built-in 2600mAh battery for up to 9 hour continuous play time. Can be used as a battery charger for portable devices. Built-in USB 2.0 SD card reader. Available free App from iTunes for iOS devices and Google Play store for Android devices. Media card supported including SDXC SDHC and MicroSD/MiniSD (through SD adapter).