This is a user manual for Bluetooth headset, which introduces the features, usage and precautions of Bluetooth headset.
This manual explains safety precautions for using the QLA BR103 Bluetooth earphone, including warnings about volume, usage in hazardous environments, and battery handling. It also describes the earphone’s physical layout and button functions.
Detailed instructions cover turning the device on, pairing it with a smartphone via Bluetooth, adjusting volume, making and receiving calls, and charging the built‑in Li‑Polymer battery. Technical specifications such as Bluetooth version, battery capacity, dimensions, and operating temperature are listed at the end of the document. This manual is written in Chinese.
| Bluetooth version | y2.1+EDR class 2 |
|---|---|
| Battery type | SSmAh Li‑Polymer |
| Input voltage | 100‑220V 50/60Hz 100mA |
| Output voltage | 55V 400mA |
| Dimensions / Weight | 52 mm (L) × 16 mm (W) × 6 mm (H), approx. 6 g |
| Charging time | ≈ 2 hours |
| Talk time | 4 hours |
| Standby time | 60 hours |
| Operating temperature | -10 °C to 50 °C |
| Manufacture year / Country | 2011, China |
Charging takes about 2 hours.
Talk time is approximately 4 hours and standby time up to 60 hours.