S07 HD Noise Reduction Voice Recorder Portable MP3 Player, 8GB, 16GB, 32GB

1. Core Functions：Supports regular recording, voice-activated recording (auto-starts/stops by sensing ambient sound), audio/music playback; stores up to 999 recording files, which need regular cleanup.
2. Operation Methods：Power switch controls startup/shutdown + recording activation; connect the wired remote to switch to playback mode, supporting play/pause, track skipping, volume adjustment and file deletion.
3. Settings & Connection：Configure parameters (time, voice activation sensitivity, recording quality, etc.) via TXT file on computer; connect to PC/OTG-enabled phone via USB for file transfer and memory formatting.
4. Battery Life & Charging：Built-in 90mAh lithium battery, offering ~20 hours of recording (at sampling rate ≤512Kbps); green light flashes during charging and stays on when fully charged.
5. Hardware Details：Equipped with USB port (charging/data transfer/wired remote connection), lanyard hole, tri-color indicator (shows battery level/working status)
6. Additional Accessories：Package includes earphones, USB-C charging cable, wired remote (supports playback control), etc.

Specifications
1. Number of recorded files: 999 audio files
2. Recording bit rate: 32K-192Kbps (The default is 192Kbps)
3. Recording format: MP3 format
4. External input: 3.5pin Stereo Jack
5. Source of recording: Non directional microphone, VOR Recording
6. Environment: 0 - 40 degree Celsius
7. Power supply mode: Lithium batteries (90MA) : 3.3V-4.2V
8. Headphone output: (L) 9mW + (R) 9mW (320Ω)
9. Recording Distortion: < 10% (maximum volume)
10. Storage method: Embedded Flash
11. Battery time: The recording (512K) lasts about 20 hours
12. USB port: USB 2.0 high speed data transfer
13. Size: 23.5 x 25.5 x 8.5mm
14. Weight: about 18.7g (bare machine)