[DETAIL] Upgraded Features This upgraded version of the digital voice recorder includes enhanced features for better audio quality and ease of use. High Storage Capacity With storage, this digital voice recorder allows you to capture extensive audio recordings, perfect for long lectures or meetings. Portable Audio Solution Whether you're attending a lecture, conducting an interview, or taking notes, this portable recorder is your reliable audio companion. Specifications: Shell material: Aluminum shell bottom, ABS plastic electroplated buttons Screen: 0.96-inch TFT screen Recording format and sampling rate: WAV format (32Kbps-1536Kbps) Recording quality: WAV 512Kbps (default) Supports playing music in multiple formats Frequency: 24KHz Recording power: 12mA-26mA Support: recording, monitoring, voice control, clock, timed recording, voice and music playback, replay, password, low battery saving, shutdown and other functions External input: 3.5pie headphone stereo jack, 3.5pie microphone cable, 3.5pie jack USB：USB2.0 FULL Speed Power supply mode: Rated voltage lithium battery (400MA): 3.4V-4.2V USB input rated voltage/power: 5V=0.5A Storage: Embedded Flash Memory Weight: About 77g (bare metal) Size: 85mm × 36mm × 14mm [ATTRIBUTES] - Hign-concerned Chemical: None - Dimensions (WxHxD): 85mm*36mm*14mm - Voice Activated Recording: Yes - Hign-concerned Chemical: None - Dimensions (WxHxD): 85mm*36mm*14mm - Voice Activated Recording: Yes - Balanced Out: Yes - Package: Yes - Model Number: N28 - Playback Formats: ALAC - With Speakers: Yes - External Memory: No - Record Audio Format: WAV - Brand Name: METYOXMMX - Origin: Mainland China - Certification: CE,FCC,RoHS