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 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 Projector Size: . 110 x 110 x 47mm / 4.3 x 4.3 x 1.9inch Projector Version: Wired Same Screen Projection Technology: LCD and LED Resolution: 320 x 180 Maximum Resolution: 1920 x 1080 LCD Display: 1.6 Inches Contrast Ratio: 3000:1 Projection Ratio: 4: 3, 16: 9 Operating Noise: 20db Projection Size: 14-100 Inches Projection Distance: . 0.6-4m / 2-13.1ft Speaker: 4Ω 2W Lamp Life: 30000h Lamp Wattage: 8W Power Consumption: 10W Interface: AUX, USB Remote Control Built in Battery: 1 x CR2025 160mah Colour:black Material:plastic Package Contents: 1 x Mini Projector 1 x Remote Control 1 Cord Only 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.