When you using it: 1, Please use the 5V power adapter for power supply, if the current less than 1A, there may be any failures, such as WIFI unable to boot, can not modify the parameters in the Settings page and so on. 2, In Airplay mode, you can see the information on the TV screen, it will show "SSID: RKCast ******** Password: 12345678". You can connect to it from your phone. When you connect to Mirascreen ********, you can enter the setup interface (http:// 192.168.49.1), set "Intelnet" make it connect to the Internet. 3, It has a button to switch Airplay (DLNA) and Miracast mode, in Miracast mode, you can not see WIFI SSID, you only need to connect to it from your Android phone Miracast options, such as "wireless display." Specifications: OS: Linux 3.0.8 CPU: Rockchips RK3036 2 core RAM: DDR3 128MB Internal Flash: 16MB System Requirement:IOS: Support IOS 8.0 and above,Android 0S: Support Android OS 4.2 or above Supports Screen Share: Airplay, Miracast, DLNA (DLNA: Standard). WiFi: 2.4GHz Wireless WiFi (WiFi Module: 8188ETV). RF / Antenna: Internal WiFi Antenna for stable WiFi Signal Remote Controller: Support controlling via Smartphone / Tablet PC. Video Output: Up to 1080p HDMI Output. ((Max. resolution: 1920*1080@30P). Supports Office Software (File-Formats): PDF / MS Word / MS Excel / MS PowerPoint. Support Video Format: AVI / DIVX / MKV / TS / DAT / MPG / MPRG / MOV / MP4 / RM / RMVB / WMV. Support Audio Format: MP1 / MP2 / MP3 / WMA / OGG / ADPCM-WAV / PCM-WAV / AAC. Voice Record: MP3, WAV. Support Photo Format: JPEG / BMP. HDMI : 1 xMale HDMI DC : 1 x Micro Mini USB port Item size: 6.5 x 3.5 x 1.2cm / 2.55 x 1.37 x 0.47in Power: 5V 1A Package includes: 1 x Wireless WiFi Display Dongle 1 x USB WiFi Cable 1 x Manual