[All in 1] Wit-wx1 Portable Wifi Router (Hotspot) & Wifi Repeater 802.11b/g/n Wireless External HDD / Flash Drive / Sd Card Reader 10400mah Powerbank Built-in External Battery Pack (Power Bank) (80 sec review) www.youtube.com/watch?v=XwfQ_W35sFM (360 sec review) www.youtube.com/watch?v=zUKEnMQvW7E (playing 4 of video at the same time) www.youtube.com/watch?v=AQ6igN42IPk ---WIT-WX1 is a brand new multifunctional wireless device,a great blend of file sharing, file server, portable router and external battery.--- Through plugging in SD card or connecting with HDD,WIT-WX1 is able to wireless sharing those stored files with up to five smart devices at same time, likewise WIT-WX1 can transfer files between SD card and HDD.--- ---Compatible device: SD Card (up to 64GB); USB HDD (up to 6TB), USB Flash Disk , Solid-State Drives ---Compatible OS: Andorid; IOS; Windows 7; Windows 8,Mac OS ---Recommended APP: ES File Explorer (Android); MGTEC file share (IOS)---Wireless Storage & Sharing (Digital HUB )+ Portable Wi-Fi Router & Wi-Fi Repeater + Emergency External Battery(10400mAh)---Emergency Power Bank: Built-in 10400mAh battery cell(Samsung SDI) gives you smart device enough time to keep it running all the time