Key benefits - Simple MP3 and WAV playback for quick and straightforward audio listening without the need for complex setup. - Adjustable volume with a configurable power range of 0.5 to 5 Watts and a speaker impedance of 2 to 8 Ohms, allowing you to tailor sound to small rooms or quiet environments. - Supports up to 32 GB of storage, giving you the ability to carry a sizeable audio library or a sequence of recordings. - Clear file organization requirement that ensures playback order and compatibility: create a folder named "01" and save files named 001.MP3 through 019.MP3. Technical specifications - Supported playback formats: MP3, WAV - Speaker parameters: 0.5-5 Watt, 2-8 Ohm, volume adjustable - Maximum supported storage: 32 GB - File format requirement: Create a folder named "01" and save files 001.MP3 - 019.MP3 File format and organization - To use the device, create a folder named "01" and place the audio files with names 001.MP3 through 019.MP3 inside it. This organization is required for proper playback. Use scenarios - Retail or kiosk displays: Load a sequence of announcements or promotional audio by placing 001.MP3 to 019.MP3 in a single folder and setting the volume to suit the environment. - Classroom or training room: Preload lesson cues or audio prompts in MP3 or WAV format within the folder structure for easy, orderly playback during sessions. - Small office or workshop: Use as a compact audio prompt or background music source with adjustable volume to match the room environment and reduce distraction.