This document is a user guide for the iRiver E40 product, providing information on its features and how to use it.
This manual introduces the iriver E40 player, covering its components, power management, and how to connect it to a PC. It explains basic operations such as playing music, video, pictures, FM radio, and recording with the built‑in microphone.
Detailed sections guide users through file transfer with iriver plus 4 software, firmware upgrades, battery charging, and troubleshooting common issues like power problems, USB connectivity, and audio playback errors. This manual is written in Chinese.
| Battery charging time | 2 hours 30 minutes |
|---|---|
| USB charging requirement | High‑power USB 2.0 port recommended |
It takes about 2 hours and 30 minutes to fully charge the battery from a completely discharged state.
Check the battery level, charge the device, and if it still does not respond, use the reset hole to reset the player.