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).