K Ultra HD Portable Projector With SmartTV Native 1280x720 Resolution 40" To 130" Inches Screen Built-In Speaker, Ambient Sound Support Dolby Audio & DTS Surround Sound Dual Band WiFi & Bluetooth Connectivity Compact Design, 180 Flexible Projection Angle Convenient Screen Mirror <25dB Low Noise Easy To Use Plug & Play Access To All APP In Google Playstore Ready To Use Anywhere, Anytime Both Indoors & Outdoors