【New Bluetooth Feature】: The mini projector now has Bluetooth 5.2 so you can connect external speakers or use the projector as a speaker to play music from your phone. 【Great Viewing Experience】: With a 4-inch LCD lens 1280x720 native resolution (supports up to 1080P) and a max 200 screen size you’ll enjoy a clear and bright picture. It has an 8000:1 contrast ratio and both 4:3 and 16:9 aspect ratios for a wide viewing field. You can adjust the image with keystone and focus settings. 【Phone Connection】: To connect to an iPhone you need an HDMI adapter (not included). For Android use a Micro USB/Type-C to HDMI adapter (not included). Note: Netflix and Hulu aren’t supported directly due to copyright issues but you can use a TV stick (not included) to watch them. 【Works with Most Devices】: The projector has HDMI USB Micro SD and a 3.5mm audio jack making it easy to connect to various devices.