16:9 Projector Aspect Ratio Speaker integrated into the projector 4·3W separate sound chamber Adjustment for Projectors ±15° Display Chip LED light source for projectors Light Life of Projector: 30,000 hours Luminance of the projector light: 800 lumens Android Projector OS; USB Projector Port 4.0, 3.5mm headphones, TF card, HDMI output 2.0 50-150 inch projector projection area 1.69:1 projector to 50-inch at 1 million RAM and ROM for projectors 8GB ROM and 1 GB RAM Actual Projector Resolution: 1024 x 600 P WiFi & Bluetooth projector BT 4.0, 2.4G+5G