K3 1080P Home HD Portable Dual-Band 5G WiFi Smart Projector, CN Plug Features: 1. A variety of expansion interfaces, supporting the connection of computers, audio and video equipment 2. Cooling system, pure copper heat sink, rapid cooling, low noise operation 3. Intelligent four-point keystone correction, more convenient to use 4. Built-in stereo dual HiFi speakers, bring better sound experience 1. CPU: MStar6A848 2. System: Android 9.0 3. Bluetooth: 5.0 4. Projection size: 30-300 inches 5. Resolution: 1080x1920P 6. Brightness: 1250ANSI 7. Light source: LED 8. Four-point trapezoid: support 9. Power supply: AC 100-240V, 50-60Hz 10. Network: dual-band WIFI, 2.4G5G 11. Remote control: panel buttonsinfrared remote control 12. Projection lens: Optically coated glass lens (3 mirrors) 13. Projection technology: 3.93 inches single-chip LCD 14. Interface: USBx2, HDMIx1, 3.5mmx1 15. Projection method: desktop front projection desktop rear projection ceiling rear projection 16. Remote control battery: No. 7 battery x 2 (battery is not included in delivery) 17. Support language: Chinese 18. Product size: 12 x 12 x 17.8 cm 19. Product weight: 750 grams Packing list: -Projector x 1 -Remote control x 1 -Power cord x 1 -Instruction manual x 1