1. Introduction
The cofuo Kids Digital Sport Watch is designed for active children, offering durability, water resistance, and multiple functions. This manual provides detailed instructions to help you understand and utilize all features of your new watch, ensuring a long and satisfactory experience.

Image: The cofuo Kids Digital Sport Watch, featuring a blue and black design with a clear digital display.
2. Key Features
- Waterproof and Shockproof: Designed to withstand daily activities, including handwashing and swimming (50M/164Ft water resistance).
- Multi-Functionality: Includes stopwatch, date, hour, minute, calendar, and alarm clock.
- EL Night-Light: Provides clear visibility in dark environments.
- Durable Construction: Features a soft environmental friendly silicone rubber strap, durable case, and stainless steel case back for comfortable wear and resilience.
- Easy to Read: Large dial and numbers for clear time display.

Image: Detailed breakdown of watch components, highlighting the EL luminous slice for night visibility, high-quality silicone belt, superior glass lens, and eco-friendly PC cover for durability.

Image: Children engaged in outdoor activities, demonstrating the watch's suitability for sports and active lifestyles.
3. Watch Components and Button Functions
Familiarize yourself with the watch's buttons and their primary functions:

Image: An annotated diagram of the watch face, indicating the 'Light' button, 'Mode' button, 'Alarm' button, 'Start/Stop' button, and 'Reset' button, along with display indicators for PM, Second, and Time.
- LIGHT Button: Activates the EL backlight for viewing in low light conditions.
- MODE Button: Cycles through different modes: Time, Alarm, Stopwatch.
- START/STOP Button: Used to start and stop the stopwatch, or adjust values during setting.
- RESET Button: Used to reset the stopwatch, or confirm settings during adjustment.
4. Setup Instructions
4.1 Setting Time and Date
- From the normal time display, press the MODE button three times to enter Time Setting Mode. The seconds will begin to flash.
- Press the RESET button to set the seconds to zero.
- Press the START/STOP button to move to the next setting (Hour).
- Press the RESET button to adjust the hour. Note the 'PM' indicator for 12-hour format.
- Repeat step 3 and 4 for Minute, Month, Date, and Day of the week.
- Once all settings are correct, press the MODE button to exit Time Setting Mode and return to the normal time display.
4.2 Setting the Alarm
- From the normal time display, press the MODE button twice to enter Alarm Setting Mode. The hour digits will begin to flash.
- Press the RESET button to adjust the alarm hour.
- Press the START/STOP button to move to the minute setting.
- Press the RESET button to adjust the alarm minute.
- Press the MODE button to exit Alarm Setting Mode.
4.3 Activating/Deactivating Alarm and Hourly Chime
- In normal time display, press and hold the RESET button, then press the START/STOP button to toggle the alarm on/off. An alarm icon will appear/disappear.
- In normal time display, press and hold the START/STOP button, then press the MODE button to toggle the hourly chime on/off. All day indicators will appear/disappear.
5. Operating Instructions

Image: A comprehensive function guide illustrating the various capabilities of the watch, including alarm, date, stopwatch, 12/24-hour time, dual time, EL backlight, and 50M water resistance.
5.1 Using the Stopwatch
- From the normal time display, press the MODE button once to enter Stopwatch Mode. The display will show '00:00:00'.
- Press the START/STOP button to start the stopwatch.
- Press the START/STOP button again to pause the stopwatch.
- Press the RESET button to reset the stopwatch to '00:00:00'.
- Press the MODE button to exit Stopwatch Mode and return to the normal time display.
5.2 Using the EL Backlight
- Press the LIGHT button at any time to illuminate the display. The backlight will stay on for a few seconds.
5.3 12/24 Hour Format
- In Time Setting Mode (after pressing MODE three times), press the START/STOP button until the hour is flashing. Press the RESET button to toggle between 12-hour (with AM/PM indicator) and 24-hour format.
6. Maintenance
6.1 Cleaning Your Watch
- Wipe the watch regularly with a soft, damp cloth to remove dirt and sweat.
- Avoid using harsh chemicals or abrasive cleaners, as these can damage the watch's finish and seals.
6.2 Waterproofing Guidelines
The cofuo Kids Digital Sport Watch is 50M (164Ft) water-resistant, suitable for handwashing, daily splashes, and swimming. However, please observe the following:
- DO NOT press any buttons while the watch is submerged in water.
- Avoid wearing the watch during hot showers, baths, or saunas, as steam and hot water can compromise the waterproof seals.
- Avoid prolonged underwater activities such as diving.
- After exposure to saltwater, rinse the watch with fresh water and dry it thoroughly.

Image: The watch submerged in water, visually representing its 50-meter (164 feet) daily waterproof rating, suitable for activities like handwashing, car washing, and swimming.
6.3 Battery Replacement
This watch requires 2 Lithium Ion batteries (CR2025 / SR626SW). When the display dims or functions become erratic, it may be time to replace the batteries. Battery replacement should ideally be performed by a qualified technician to ensure the waterproof seal is maintained.
7. Troubleshooting
- Watch not displaying time or functions: Check if the battery needs replacement. If recently replaced, ensure it was installed correctly.
- Fogging inside the watch: This indicates a breach in the waterproof seal, often due to extreme temperature changes or pressing buttons underwater. Stop using the watch in water and seek professional inspection.
- Alarm or Hourly Chime not turning off: Refer to section 4.3 for correct activation/deactivation steps. Ensure you are pressing the correct button combinations.
- Buttons not responding: Ensure the watch is not in a locked mode (if applicable, though this model typically does not have a lock). Try pressing the buttons firmly. If unresponsive, the internal mechanism may be faulty.
- Inaccurate timekeeping: Re-set the time following section 4.1. If the issue persists, the battery may be low or the internal movement may require service.
For issues not covered here, please contact cofuo customer support.
8. Specifications

Image: Technical specifications and dimensions of the watch, including band length (9.84 in / 25 cm), band width (0.79 in / 2 cm), case thickness (0.67 in / 1.7 cm), case diameter (1.73 in / 4.4 cm), and battery type (CR2025 / SR626SW).
| Feature | Detail |
|---|---|
| Model Number | CF-1163-B |
| Product Dimensions | 9.65 x 0.79 x 0.67 inches |
| Product Weight | 2.75 ounces (78 grams) |
| Water Resistance | 50M / 164Ft |
| Battery Type | 2 Lithium Ion batteries (CR2025 / SR626SW) |
| Band Material | PU (Polyurethane) |
| Case Material | ABS (Acrylonitrile Butadiene Styrene) |
| Display Type | Digital |
9. Warranty and Support
For any questions, concerns, or warranty claims regarding your cofuo Kids Digital Sport Watch, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific warranty terms and contact information.
You can visit the official cofuo store on Amazon for more information and support: cofuo Official Store





