Video Projector 1G 8G Concealed Bracket Voice Control 4K BT Portable Projector for Home Theater US Plug Item Type: Video Projector Material: ABS Versions: for Android 11 Remote Control: Infrared Remote Projection Technology: LCD, LED LED Light: 40W, 30000 hours lifespan Resolution: 1280x720P Image Size, Distance: 254cm / 100in at 2.95m / 9.68 ft Aspect Ratio: 16:9, 4:3 Dynamic Contrast Ratio: 2000:1 Focus Adjustment: Electronic Focus Trapezoid Correction: Automatic Trapezoid Correction (vertical), Four point Trapezoid Correction (±25°) Throw Ratio: 1.35:1 Supported Resolution: Hardware Decoding 4K (below 24fps) Wired Screen Mirroring: Supported Wireless Screen Mirroring: Supported RAM: 1GB ROM: 8GB Wireless WiFi: WiFi 6 BT: BT 4.0 Stereo Speakers: Speaker Quantity: 1 Output Power: 3W BT Speaker Connection: Supported Interfaces: USB x1, HD display interface x1, Sound Output x1, Power Interface x1, Remote Control Probe x2 Remote Control Battery: 2 x AAA Batteries (not included)