Fangrui Product Details 1. Wejoy S12 50 Ansi Lumen 1920x1080p Android 7.1 Hd Bluetooth 4.1 Wifi Smart 3d Projector, 1gb+32gb 2. Built-in Android 7.1 System, Wireless Wifi Internet Access. 3. Wireless Connection To Android Phones, Iphone, Ipad, Etc. 4. Built-in Super Battery Life, Strong Playback For More Than 2 Hours. 5. Play The Office Document Independently. 6. Support U Disk Plug And Cast. 7. External Bluetooth Speaker And Cable Speaker Sound Extension Can Be Connected. 8. Dlp Display Technology, The Projection Screen Is Large, And The Display Effect Is Good. 9. Specification 10. Projection Technology: Dlp 11. Native Resolution: Wvga 854*480, Maximum Support Resolution: 1920*1080p 12. Led Luminance: 50 Ansi Lumen 13. Projection Mode: Front 14. Projection Size: 30-120 Inch 15. Projection Distance: 1-5m 16. Projection Ratio: 1.19:1 (37.8 Inch @ 1m) 17. Aspect Ratio: 16 : 9 18. Contrast: 2000 : 1 19. Distortion: Less Than 1. 20. Luminance Uniformity: More Than 21. Focus Mode: Manual 22. Keystone Correction: Automatic, Vertical: +- 40 Degree 23. Pcba Parameters: 24. Touch Control: Yes 25. Other Control: Button Or Ir2.4g Wireless Remote 26. Operation System: Android 7.1.2 (ota Upgrade) 27. Cpu Chipset: Rk3128 28. Gpu: Mali-400mp2 Gpu 29. Ram: 1gb Ddr3, Rom Flash: 32gb 30. Wifi: 2.4g 5g 31. Bluetooth: 4.1 32. Built-in Speakers: 1 X 1w 33. Video Format: 1080p Avi, Mp4, Dat, Vob Etc. 34. Audio Format: Mp3,wma,3gp,wav Etc. 35. Image Format: Jpg, Png, Bmp Etc. 36. Interface: Mini Hdmi In, 1 X Usb 2.0 In, Tf Card Slot, 1 X 3.5mm Audio Out, Power: 1 X Dc 5v In. 37. Power Input: Ac100-240v, 5060hz, Dc5v3a