This manual explains how to use the Sampo JB‑B909 pedometer, including step counting, distance and calorie calculation, and how to set step length and body weight. It also describes the device’s dimensions, weight, and automatic shut‑off feature.
Safety precautions, battery replacement instructions, and after‑sales service contact details are included to ensure reliable operation and proper maintenance. This manual is written in Chinese.
| Dimensions (mm) | 50 × 50 × 25 |
|---|---|
| Maximum step count | 99 999 steps |
| Maximum distance | 999.99 km / 999.99 mi |
| Maximum calories | 999.99 kcal |
| Step length range | 30–150 cm (12–60 in) |
| User weight range | 30–135 kg (60–300 lb) |
| Step count accuracy | ±5 steps per 100 steps |
| Auto shut‑off time | 1 minute of inactivity |
Replace the battery when the display becomes dim or dark.