Introduction
This manual provides instructions for the setup, operation, and maintenance of your Gingko Brick Marble Click Clock, Model GK15W5. This digital clock features a sound-activated display, alternating time, date, and temperature displays, and an automatic dimmer function. It is designed for portability with an integrated rechargeable lithium battery.
Package Contents
- Gingko Brick Marble Click Clock (Model GK15W5)
- USB Charging Cable
- Instruction Manual (This document)
Product Overview
Familiarize yourself with the components and controls of your clock.

Figure 1: Front View of the Clock. This image shows the front of the Gingko Brick Marble Click Clock with a white marble effect finish, displaying the time "23:15" in bright white LED digits.

Figure 2: Rear View and Controls. This image displays the back of the clock, revealing five control buttons labeled SET, UP, DOWN, V/S, and ON/OFF. Below the buttons are an LED indicator and a DC 5V/0.5A power input port.
Control Buttons:
- SET: Enters settings mode for time, date, and alarm.
- UP: Adjusts values upwards in settings mode; changes display mode in normal operation.
- DOWN: Adjusts values downwards in settings mode; changes display mode in normal operation.
- V/S (Voice/Sound): Toggles sound activation mode.
- ON/OFF: Powers the device on or off.
Ports and Indicators:
- DC 5V/0.5A: USB power input for charging the internal battery.
- LED: Indicator light for charging status or other functions.
Setup
1. Initial Charging
- Connect the provided USB charging cable to the DC 5V/0.5A port on the back of the clock.
- Connect the other end of the USB cable to a compatible USB power adapter (not always included) or a powered USB port.
- Allow the clock to charge fully before first use. The LED indicator may change color or turn off when charging is complete.
2. Powering On/Off
- Press the ON/OFF button on the back of the clock to power it on. The display will illuminate.
- Press and hold the ON/OFF button to power the clock off.
Operating Instructions
Setting Time and Date
- Press the SET button to enter time setting mode. The hour digits will flash.
- Use the UP and DOWN buttons to adjust the hour.
- Press SET again to confirm the hour and move to minute setting. The minute digits will flash.
- Use the UP and DOWN buttons to adjust the minutes.
- Press SET again to confirm minutes and move to year setting.
- Continue using UP/DOWN and SET to adjust the year, month, and day.
- After setting the day, press SET one last time to exit settings mode.
Display Modes
The clock can display time, date, and temperature. You can choose between alternating display or permanent time display.
- In normal operating mode, press the UP or DOWN button to cycle through display options:
- dP-1: Alternates between Time, Date, and Temperature.
- dP-2: Displays Time permanently.

Figure 3: Time Display. The clock shows the time "12:25" in a modern digital format, set against its marble-effect casing.

Figure 4: Temperature Display. This image illustrates the clock displaying "21°C", indicating the ambient temperature.
Sound Activation Mode (V/S)
The clock can be set to display the time only when a sound is detected (e.g., a clap or tap), conserving battery life.
- Press the V/S button to toggle sound activation mode on or off.
- When sound activation is on, the display will turn off after a short period of inactivity. Make a sound to reactivate it.
Automatic Dimmer Function
The clock features an automatic dimmer that adjusts the display brightness based on ambient light conditions, ensuring readability without being overly bright in dark environments.
Setting the Alarm
(Specific alarm setting instructions are not detailed in the provided product description. General steps are provided. Refer to the full product manual for precise button sequences if these steps are insufficient.)
- Press the SET button repeatedly until "AL" or "Alarm" appears on the display, indicating alarm setting mode.
- The alarm hour digits will flash. Use UP and DOWN to adjust the hour.
- Press SET to confirm the hour and move to minute setting.
- Use UP and DOWN to adjust the minutes.
- Press SET to confirm the minutes. You may then be prompted to enable/disable the alarm (ON/OFF) or set daily/weekday alarms.
- Press SET one last time to exit alarm setting mode.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the clock's surface. Avoid abrasive cleaners or solvents.
- Battery Care: To prolong battery life, avoid fully discharging the clock frequently. Recharge when the display becomes dim or unresponsive.
- Storage: If storing the clock for an extended period, ensure it is fully charged and then powered off. Store in a cool, dry place.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
Display is off or dim. |
|
|
Clock not responding to button presses. |
|
|
Incorrect time/date displayed. |
|
|
Specifications
| Model Number | GK15W5 |
| Brand | Gingko |
| Display Type | Digital LED |
| Features | Time, Date, Temperature Display, Sound Activation, Automatic Dimmer, Alarm Clock |
| Power Source | Rechargeable Lithium Polymer Battery (1 included), DC 5V/0.5A USB input |
| Material | Wood, Marble Effect Veneer |
| Dimensions (Approx.) | 8" (Width) x 6" (Height) |
| Item Weight | 1.65 pounds (750 grams) |
Safety Information
- Do not expose the clock to water or excessive moisture.
- Avoid extreme temperatures or direct sunlight.
- Do not attempt to disassemble or repair the device yourself. Contact qualified personnel for service.
- Use only the specified charging voltage (DC 5V/0.5A).
- Keep out of reach of children.
Warranty and Support
For warranty information or technical support, please refer to the documentation included with your purchase or visit the official Gingko website. Please retain your proof of purchase for warranty claims.





