Macally WIFISD is a Mobile Wi-Fi pocket that makes SD or USB storage for wireless storage. 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. Media card supported including SDXC, SDHC, and MicroSD/MiniSD (through SD adapter). 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. Can be used as a battery charger for portable devices. Built-in 2600mAh battery for up to 9 hour continuous play time. Built-in USB 2.0 SD card reader.