Compact and reliable MP3 audio playback system designed for practical and efficient use in a variety of environments. This unit offers essential features and performance components to meet your audio announcement or alert needs. Key Features: Plays MP3 audio files with two selectable volume levels, allowing you to adjust sound output based on your location and requirements. Automatic human body induction sensor detects movement up to 4 meters, triggering playback without manual intervention. Builtin 8 ohm 1 watt speaker provides clear and consistent audio output for announcements, alerts, or prompts. Integrated 32 Mbit (4 Mbyte) flash memory stores your MP3 files directly in the device for reliable and repeatable playback. Two playback modes available: full loop playback for continuous audio cycling, and single loop playback for repeating one specific file. Benefits and Performance: This MP3 playback system eliminates the need for manual activation, thanks to its motion sensor. It ensures audio is heard clearly within small to medium spaces while maintaining a compact form factor. The dual playback modes give flexibility for repeating messages or cycling through multiple files, making it ideal for both short alerts and extended audio sequences. Practical Applications: 1. Retail and commercial spaces: Automatically play welcome messages, promotional announcements, or customer alerts when someone approaches. 2. Office or facility environments: Deliver important reminders or safety instructions whenever movement is detected in a designated area. 3. Exhibition and museum displays: Provide informative audio guides or exhibit explanations triggered by visitor proximity, enhancing engagement without requiring staff intervention. With durable internal components and userfriendly operation, this MP3 playback device offers a dependable and adaptable solution for motiontriggered audio delivery in professional or public settings.