The link and QR code on the picture is Wifi card use ways video: https://yadi.sk/i/SejoJ63UENnlaA
By browers or free APP?please use link,Android:ezshare.com,iPhone:192.168.4.1,Built-in Wi-Fi hotspot,Terminal support: iPhone/ipad, smartphone, tablet, laptop WiFi-enabled;Security and private:setting ez Share Wi-Fi SD Card, includes the Wi-Fi password, SSID, Wi-Fi channel, administrator password.
Stores photos and videos like a standard memory card, but features class 10 performance
Terminal support: iPhone/ipad, smartphone, tablet, laptop WiFi-enabled
Only support Pictures and Video formats,not support other files formats, Picture support format :JPG, RAW, CRW, MRW, ORF, RAF, X3F, NEF,KDC, PTX, PEF, CR2, TIF, MOS, K25, MEF, MPO,SRF, SR2, DNG, ARW, RW2, BAY, DCS, DRF, NRW RWL, SRW, 3FR, PNG, BMP. Video support format :AVI, MPG, MP4, MOV, MTS, ASF, 3GP.