Salange P52 Mini ProjectorHD Projector Support 1080P VideoProjection Size:30-120 InchesNot only a projector but also a Bluetooth speaker.1:Built-in Bluetooth 4.0 moduleConnect your smartphone via Bluetooth, P50 Projector immediately becomes a Bluetooth speaker. HD Visual-audio EXPERIENC2:Enjoy high-definition Bluetooth music3W Independent Cavity * 2PCS, Bluetooth 4.0 transmission is more stable3:One key to start Bluetooth speakerLong press the button to activate Bluetooth mode3800 Lumens: Much Brighter2020 Upgrade P52 projector has improved the brightness to 3800. You can watch it normally even in a warm light environment. But the dark environment will get the best performance. As a home projector, we do not recommend it for business presentations ( like ppt, excel )in the bright scene.Salange P52 Proector SizePortable Design, Project Up To 120 Inches ScreenIt's only 6 x 6.2 x 6.7 inches/ 2.86lb, but this compact projector can project up to 120 inches vivid display. Diffuse reflection technology can protect you from vision-impairing.