Wireless Wifi Card Reader Extended Mobile Storage Features : Wireless Expansion: wifi card reader will send out wifi signal automatically connecting with Power Bank and PC; connect the wifi with Phones to expand the capacity. Data Sharing convenience: WiFi Card Reader can share and transfer data through wifi among several devices such as iPhone,iPad, Android Phones and tablets, windows PC etc. Super Compatibility: suitable for both Android devices and IOS devices,including the windows PC.Work with any USB port, such as power bank, phone chargers etc. Multi-format supporting: Needn't format conversion while transferring the data; with the mkv, rmvb, flv and other formats player, you do not need worry about video format compatibility issues. Use Environment: Needn't external wifi network, can be used under any environment. Enjoy Movies and Music : Just put movie and music into TF card, you can enjoy iton your phone or pad, through wifi card reader. Zsun APP even has its own player, which can let iphone/ipad support most kinds of format of movie and song. One clink To Backup and Restore : With wifi card reader, you can backup or restore photo, video and contact between android and ios system. Wireless Repeater : Wifi card reader can be a wireless repeater. With this function, when your phone link to wifi card reader, you can also surf Internet. Description:- Never run out of space for all your photos, videos, and files with this new wifi wireless card reader. This is a extend mobile storage device. The average smartphone only has 70 percent of its capacity available for storage and many tablets don't include ports which makes them come up short on storage. This storage device helps freeing up your mobile device by letting you offload content to a Micro SD card via the built in card slot. It creates its own Wi-Fi signal which allows you to stream several movies to different devices simultaneously. It also lets you post photos and videos to social media via Wi-Fi for friends and family.