Onebutton recording and saving with voiceactivated mode Easy onebutton operation for quick recording and saving Voiceactivated mode starts recording when sound is detected Supports voice recording, recording monitoring, and recording from landline and mobile phones Supports lossless music formats and clear playback Handles lossless music formats such as MP3/WMA/FLAC/APE Builtin fidelity speaker for clear external playback Longduration recording with smart power management Builtin supercapacity polymer battery enables extended recording sessions Intelligent battery detection automatically saves the recording file before the battery is exhausted Data security and flexible playback controls Password boot function protects internal data Loop function and AB segment repeat function for precise review and repeated playback 23 practical use scenarios Interview or meeting recording: use onebutton recording to quickly start saving notes, with voiceactivated mode triggering only on speech, and password protection keeping sensitive content secure Lectures and seminars: long battery life supports extended sessions; AB repeat helps review key topics, while the builtin speaker allows quick inroom playback Field reporting and call capture: record conversations from landline and mobile sources with convenient onebutton control and reliable autosave to prevent data loss Key attributes at a glance Function: onebutton recording and saving, voiceactivated mode, voice recording, recording monitoring, landline/mobile recording, loop and AB repeat Compatibility: supports MP3/WMA/FLAC/APE formats for audio capture and playback Performance: longlasting polymer battery with intelligent autosave Security: password boot to protect internal data Usability: straightforward controls, practical playback options for review and editing