This document is a user manual for a series of products (SA2420BT to SA2447BT), including information about the product packaging, quick start guide, control operations, connection and charging methods, music playback, radio, and phone call functions.
This manual provides important safety information, basic maintenance, and detailed operating instructions for the Philips SA2420BT series digital audio player. It includes guidance on first‑time setup, Bluetooth pairing, and using the included earphones and USB cable.
Additional sections cover LED indicator meanings, battery charging procedures, environmental operating limits, and a troubleshooting guide. The document also lists technical specifications such as operating temperature range and charging time. This manual is written in Chinese.
| Operating temperature | 0 °C to 35 °C (32 °F to 95 °F) |
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The power LED lights red to indicate the device is on, and a blinking LED shows charging status.