Recording encryption The recorder uses built in encryption to protect confidential data, ensuring recordings stay secure and inaccessible to unauthorized users. Directional stereo recording Full directional stereo capability captures sound from all angles with accuracy and clarity, improving intelligibility in meetings, interviews, and field work. definition recording 1536 kbps definition lossless audio with one key recording delivers crystal clear sound and quick, easy start up when you need to capture important moments. Long lifespan Built in 500 mAh battery provides up to 50 hours of continuous recording, up to 50 hours of headphone playback, and up to 10 hours of external playback, supporting long sessions without frequent recharges. Benefits and practical value Privacy and security: encryption protects sensitive recordings in professional and contexts. Audio quality and reliability: bit rate and lossless performance ensure clear, faithful recordings. Convenience and efficiency: one key recording simplifies operation, saving time during important moments. Endurance for extended use: long battery life supports lengthy meetings, lectures, and fieldwork without frequent charging. Use scenarios Confidential meetings and interviews: enable secure capture of sensitive discussions without concerns about unauthorized access. Lectures, seminars, and field reporting: directional stereo helps pick up multiple speakers clearly from different positions, while long battery supports extended sessions. On the go notes and podcasting: quick one key start and reliable endurance make it suitable for spontaneous recordings and mobile productions.