Product overview High-quality audio playback with simple USB operation and on-device controls. Ideal when you need clear sound, plug-and-play file transfer, and straightforward control over playback and track selection. Key features and performance Audio performance: 1.24-bit output, dynamic 90dB, ratio 85dB. Combination game support for integrated audio/game use. USB voice files: no software installation required — copy files directly to the device. Fast transfer and compatible with XP series, WIN7, WIN8, WIN10. Built-in controls: previous song, next song, playback, stop, and song selection for easy, hands-on operation. Why this product solves common problems Eliminates software setup: USB direct-copy removes installation steps and driver hassles, saving time and avoiding compatibility issues. Simple controls reduce complexity: physical play/stop/track functions make operation reliable for non-technical users and in live situations. Consistent audio levels: the listed output and dynamic/ratio specifications ensure predictable playback quality across files and environments. Practical applications Classroom or training sessions: Quickly load voice files via USB and use the playback/stop/track controls to run lessons, language drills, or audio prompts without needing a computer setup. Small events and presentations: Provide consistent audio performance and manual control for background tracks, announcements, or show cues. Interactive exhibits or games: Use the combination game feature and direct file loading to manage audio assets for kiosks, demonstrations, or simple game setups. What to expect Straightforward, plug-and-play operation with broad Windows compatibility (XP series, WIN7, WIN8, WIN10). Hands-on control over playback and selection without additional software. Audio performance consistent with the listed specifications: 1.24-bit output, dynamic 90dB, ratio 85dB. If you require additional technical details (dimensions, material, connectors), please consult the product datasheet or contact the seller.