A90 series MP3 player user manual, introduces the product's functions, usage methods, safety instructions, etc.
This manual introduces the Newman A90 series MP3 player, covering its main functions, safety precautions, and how to operate the device. It explains button functions, playback modes, and battery management.
It also details how to connect the player to a computer via USB, transfer music files, format the internal storage, and provides a troubleshooting guide and full technical specifications. This manual is written in Chinese.
| Supported Playback Format | MPEGI Layer 3 |
|---|---|
| Recording Format | VAV |
| Recording Duration | 8 hours |
| Signal‑to‑Noise Ratio | 86 dB |
| Channel Separation | 85 dB |
| Frequency Response | 20 Hz – 20 kHz |
| Headphone Output Power | L 5 nW, R 5 nW |
| Output Frequency Range | 20 Hz – 20 kHz |
| Display | Chinese character LCD |
| Interface Type | USB 2.0 high‑speed |
| Storage Medium | Flash |
| Battery | AAA ×1 |
| File System | FAT |
Check that the song format is supported, remove and reinstall the battery, and then try the buttons again.