The document lists the numbers 1 to 43 in sequential order, as well as the number 10. It does not mention any specific product features.
The guide begins with safety precautions and encourages users to register the device on the OPPO website to become a VIP user, gaining access to support and updates. It also outlines the device’s compliance with OPPO’s corporate standards.
Subsequent sections cover quick start operations, detailed usage of music, video, image, and e‑book playback, system settings such as language, password, and screen brightness, as well as specifications and regulatory information. This manual is written in Chinese.
| Model | S7H |
|---|---|
| Battery | 3.7 V 900 mAh |
| Continuous playback time | ≈22 hours |
| Dimensions / Weight | 87 mm × 54 mm × 11 mm, 76 g |
| Audio signal‑to‑noise ratio | 92 dB |
| Headphone output | 12 mW + 12 mW into 32 Ω (25 mW + 25 mW into 16 Ω) |
| Frequency response | 18 Hz – 20 kHz |
| FM tuning range | 76 MHz – 108 MHz |
| Operating temperature | 0 °C – 35 °C |
The device can play MP3 files continuously for about 22 hours on a full charge.