Wownect LED Projector comes with Built-in Speaker Built-in 10W speaker with stereo audio No external speakers required, it can be used as an external Bluetooth speaker as well Upgraded 4500 Lumens (200 ANSI lumens) with 30,000 hours of lamp life ±15° Keystone Correction. T10 can optimize pictures automatically, it improves the smoothness of the picture edge, which makes old movies with snowflakes also can be watched in high definition. Compatible with more devices -- Connect TV box or computer with HDMI and USB port, gaming consoles. Native resolution with 1080p, manually adjust the focus as per the distance. Preferred projection size 45 inches @1.35 meters, 60 inches @1.8 meters, 80 inches @2.4 meters Specifications: Brand: Wownect Display technology: LCD Light source technology: led Light source life: 30000H Resolution: 1920*1080 Brightness: 200 ANSI lumens: 4500 Lumens Contrast: 2000:1@FoFo, 5000:1@max Throw ratio: 1.37 Projection size: 200 inches (Up to 300 Inches) Focusing: Manual Keystone correction: Manual optical keystone correction (vertical direction ±15 degrees) 3D: Red and blue 3D Input port: 2 × USB 2.0 port; 1 × HDMI in2.0; 1 × AV interface; Power socket: AC, suffix 8; Speaker Hi-Fi: 10W Output port: 3.5mm Package includes: 1x Wownect T10 LED Home Projector 1x Remote Control 1x Power Adapter 1x User Manual 1x HDMI Cable