1、EXTENDED BATTERY LIFE: Built-in rechargeable lithium battery provides up to 500 hours of continuous recording (fully charged). The recorder can store up to 360 hours of audio files. Supports fast forward, rewind, and time setting. 2、MAGNETIC ADSORPTION & VOICE ACTIVATION: The digital recorder with magnetic adsorption can be attached to any magnetic object, such as sofas, cars, drawers, etc. Also features voice activation and can record for approximately 15-20 days on a full charge. 3、COMPACT & PORTABLE: Beautifully designed and made of ABS. Small and easy to carry and conceal, you can use it as a portable recorder to record anything, or as an MP3 player to listen to your favorite songs. Widely used in classrooms, conferences, interview recording, MP3 music playback, and more. 4、ONE-CLICK RECORDING: Digital voice recorder supports simple one-click operation and is easy to use. With voice control function, automatically starts recording upon detecting noise to avoid unnecessary space occupation. Recording range is within five meters. 5、PROFESSIONAL QUALITY RECORDING: Recording bit rate can reach 192 KBPS, making the sound more realistic and providing better shielding from ambient noise. The recorder uses intelligent digital noise reduction technology, allowing users to hear the recording content more clearly.