Optimized Optical Performance With optical calibration and professional optical lens, this palmsized projector produces sharp and vivid images, effectively addressing the issue of diffuse focusing for an enhanced viewing experience. Enhanced Audio Experience Builtin 4Ω 2W speaker delivers clear audio. It also supports connection to external headphones and speakers to accommodate diverse usage scenarios. Convenient Connectivity Supports samescreen functionality for both iOS and Android devices, enabling straightforward connectivity using the device's charging cable and eliminating the need for an extra phone adapter. Eyefriendly Design Diffuse reflection imaging technology helps safeguard vision. Constructed with ecofriendly ABS material that is odor and nonpolluting, promoting a secure and pleasant viewing experience. Use scenarios Family movie night or streaming from an iOS or Android device using the charging cable for samescreen connection, projected onto a wall or screen for shared viewing. Portable presentations or classroom scenes where a compact projector is carried to different rooms and connected directly to a phone or tablet. Private listening or small gatherings by using the builtin speaker for general audio or connecting external headphones or speakers for enhanced sound.