Automatic voltage detection and voltage protection with automatic poweroff after 5 minutes in standby helps protect the device and conserve battery life. 128 x 64 pixel LCD display shows realtime working status and battery capacity for clear, ataglance monitoring. Low power circuit design enables long recording sessions, with the audio recorder able to operate continuously for up to 72 hours or more. Deletion function allows removing MP3 music files and voice files stored on the device, with the option to delete a single file or all files. Key benefits Protects device and extends battery life through automatic voltage detection and standby shutdown. Easy to monitor status and remaining battery at a glance on a dedicated LCD display. Longduration recording capability supports extended sessions without frequent recharges. Flexible file management with selective or full deletion to manage storage quickly. What makes it stand out Efficient power design paired with clear status display for reliable field use. Simple file management ondevice for convenient data handling without a computer. Focused features tailored to continuous recording needs while preserving device integrity. Use scenarios Field interviews and lectures where a full day or multihour session requires uninterrupted recording without frequent charging. Remote fieldwork or wildlife monitoring where power access is limited and longduration recording is essential. Security or investigative logging where large amounts of audio data must be stored and managed with easy deletion options.