1. WIRED SAME SCREEN FUNCTION: Mini projector for IOS, for Android phones, tablets can be connected using the device's charging cable, no need for a separate phone adapter cable.2. OPTICAL LENS: Palm sized projector. With optical calibration, matching professional optical lens, the picture is clear and visible, solving the problem of diffuse focusing.3. BUILT IN SPEAKER: The mini LED projector has built in 4Ω 2W speaker with clear sound, external headphones and speakers can be connected. Meet your usage needs.4. MOBILE POWER SUPPLY: Portable cell phone projector, support mobile power supply, watch movies anytime and anywhere. Also perfect for kids to play cartoons.5. EYE PROTECTION: The home theater movie projector uses diffuse imaging technology to guard kids' eyes. Made of environmentally friendly material, odorless and pollution free.Item Type: Mini ProjectorSize: Approx. 110 x 110 x 47mm / 4.3 x 4.3 x 1.9inchProjector Version: Wired Same ScreenProjection Technology: LCD and LEDResolution: 320 x 180Maximum Resolution: 1920 x 1080LCD Display: 1.6 InchesContrast Ratio: 3000:1Projection Ratio: 4: 3, 16: 9Operating Noise: 20dbProjection Size: 14-100 InchesProjection Distance: Approx. 0.6-4m / 2-13.1ftSpeaker: 4Ω 2WLamp Life: 30000hLamp Wattage: 8WPower Consumption: 10WInterface: AUX, USBRemote Control Built in Battery: 1 x CR2025 160mahColour:blackMaterial:plasticPackage Contents:1 x Mini Projector1 x Remote Control1 x Power CordOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.