This is a smart watch with Bluetooth function. It can provide multiple health monitoring functions, including heart rate monitoring, sleep monitoring, blood oxygen monitoring, etc. At the same time, this watch also supports multiple sports modes, which can help users track their exercise.
The WK‑W512ML is a compact MP3/CD portable player that supports both audio formats, includes a built‑in speaker, headphone jack, and optional rechargeable battery. It offers multiple playback modes, sound effects, and an external line‑out for connecting to larger audio systems.
This manual covers the device’s features, component identification, installation of batteries or power adapter, detailed operation of playback controls, maintenance tips, troubleshooting steps, and emergency handling procedures. It also lists the technical specifications and after‑sales service contacts. This manual is written in Chinese.
| Power supply voltage | DC 4.5 V |
|---|---|
| Power supply current | 700 mA |
| Dimensions (W × D × H) | 143 mm × 132 mm × 30 mm |
Open the battery cover, insert the rechargeable battery, plug in the transformer, set CHARGE to ON and the charging lamp will light; charging takes about 10 hours.
Push the HOLD switch to the ON position; the display shows “HOLD” and all keys are locked until HOLD is set to OFF.
When the CD is stopped, press EQ/PROGRAM then press STOP; the stored program memory will be cleared.