Key facts
- Brand
- SONY
- Model
- NW-E50/E70/E90
- Category
- Digital
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2026-10-20
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Sony NW-E50/E70/E90 Network Walkman Operating Instructions
This manual provides instructions for the Sony NW-E50/E70/E90 Network Walkman, a portable IC audio player. It details how to check package contents, insert batteries, and locate controls. The device supports MP3, WAV, and Windows Media Format audio files and features a built-in flash memory with capacities ranging from 128MB to 512MB depending on the model.
Read onlineSony NW-E50/E70/E90 specifications
| Built-in flash memory (NW-E50) | 128MB |
|---|---|
| Built-in flash memory (NW-E70) | 256MB |
| Built-in flash memory (NW-E90) | 512MB |
| Continuous playback time (ATRAC3) | Approximately 70 hours |
| Recording time (ATRAC3plus) | More than 5 hours 50 minutes (NW-E50) |
Source: Sony NW-E50/E70/E90 Network Walkman Operating Instructions
All Sony NW-E50/E70/E90 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What battery type is required for the Network Walkman?
The device requires an LR03 (size AAA) alkaline battery.
From: Sony NW-E50/E70/E90 Network Walkman Operating Instructions
Can I play MP3 files directly from Windows Explorer?
No, MP3 files cannot be played back if dragged or copied directly on the Windows Explorer screen; the MP3 file manager software must be used.
From: Sony NW-E50/E70/E90 Network Walkman Operating Instructions
How do I insert the battery?
Insert the LR03 (size AAA) alkaline battery with correct polarity, inserting it from the side as illustrated.
From: Sony NW-E50/E70/E90 Network Walkman Operating Instructions
What is the maximum continuous playback time?
When playing ATRAC3 format audio, the Walkman can run for approximately 70 hours continuously.
From: Sony NW-E50/E70/E90 Network Walkman Operating Instructions