Neumann audio M820 series MP3 player user manual, which details the product features, including supported file formats, screen, built-in microphone, function descriptions, appearance diagram, and button descriptions
The Newman M820 series MP3 player manual provides detailed instructions on device setup, basic operation, and advanced features such as recording, image viewing, and firmware upgrades. It also includes safety precautions, battery management tips, and troubleshooting guidance.
Technical specifications are listed at the end of the document, giving dimensions, supported media formats, storage options, audio output power, and environmental limits. This manual is written in Chinese.
| Dimensions | 62 mm × 42 mm × 13 mm |
|---|---|
| Display | 1.8‑inch color LCD |
| Supported audio formats | MP3, WMA, SMV |
| Internal storage options | 128 MB, 256 MB, 512 MB, 1 GB |
| Maximum recording time | 8 hours (128 MB flash) |
| Audio output power | 5 mW (L) + 5 mW (R) |
| Frequency response | 20 Hz – 20 kHz |
| Signal‑to‑noise ratio | ≥ 86 dB |
| Operating temperature | 0 °C – 40 °C |
The player’s internal software reserves a small portion of flash for system files and uses a different base for capacity calculation, so the OS reports a slightly lower value.
Turn the power switch to OFF, wait about two minutes, then turn it back to ON to restart the device.