Description: Stable Connection: The smart projector supports WiFi 2.4G and5G double band, fast transmitting, lower delay, and stable connection, built in speaker, provides a comfortable audio visual experienceHigh Performance: 1080P movie projector, provides a clear projection display, supports synchronization of smartphone screen and correction, automatic up and down correction 30, and supports manual side projection functionCompact Size: Compact and portable mini projector, will not take up too much space, measures about 21.5cmx18cmx8.8cm/8.46inchx7.09inchx3.46inchWide Compatibility: The mini projector features multiple connection ports, suitable for game consoles, computers, smartphones, tablet, laptops, etcWide Applications: Practical portable projector, suitable for home theater, party, office, business, meeting, etc Specification: Projection technology: 4 inch LCD projectorOperating system: Android 9.0Light source brightness: 200ANSIExternal expansion: support USB flash drive and SSD drive and mouse and keyboardPhysical resolution: 1920x1080pixel correction: 30 manual/electronic focus;3D function: support 3D red and blue film technology formatPower parameters: AC110-230VBT audio mode: supports 1 key switchingSpeaker: built in speaker Built in 4Q3Wx2Interface type: input, 1 USB port input, audio outputWIFI type: 2.4G/5G double band (supports wireless mobile phone screen sharing/screen projection)Remote control: supports infrared and 2.4G wireless remote control and BT voice remote controlBT type: can be connected to external BT speakers, mouse, game controllerThe remote control needs to bring 2 AAA batteries(not include in the package) Package Includes: 1 Projector1 Remote control1 Power Cable (US Plug)1 Manual