Introducció
This manual provides comprehensive instructions for the Coolfire Vibrating Alarm Clock Wristband, Model 1685DD. This device is designed to provide a silent and effective alarm through vibrations on the wrist, ideal for individuals who need to wake up without disturbing others, such as partners, roommates, or family members. It is particularly beneficial for heavy sleepers, students, shift workers, and those with hearing impairments.
Please read this manual thoroughly before using your device to ensure proper operation and to maximize its lifespan.
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Components
The Coolfire Vibrating Alarm Clock consists of a compact digital watch unit and a soft, washable sweatband. The watch unit features a digital display and three control buttons: LIGHT/STW, SET, and TIME/ALARM.

The Coolfire Vibrating Alarm Clock unit, integrated into its comfortable blue sweatband, showing the digital display and control buttons.
Característiques clau
- Alarma vibratòria: Provides silent, strong vibrations to wake the user without disturbing others.
- Alarmes múltiples: Supports up to 6 distinct alarm settings.
- Digital Stopwatch: Includes a 24-hour precision 1/100 seconds digital stopwatch function.
- Disseny còmode: Integrated into a soft, washable sweatband for ease of wear and support.
- Esborra la pantalla: Features large digits for easy readability.
- USB recarregable: Powered by a built-in lithium rechargeable battery, offering extended use on a single charge.

An illustration highlighting key features of the alarm clock, including its multiple vibration alarms, stopwatch function, clear display, portability, and USB charging capability.
Configuració
Càrrega del dispositiu
Before initial use, fully charge your Coolfire Vibrating Alarm Clock. The device is powered by a lithium rechargeable battery.
- Locate the charging port on the back of the watch unit.
- Connecteu el cable USB proporcionat al port de càrrega.
- Plug the other end of the USB cable into any standard USB adapter (not included) or a powered USB port.
- Allow approximately 4 hours for a full charge. A fully charged device typically operates for 4-6 weeks, depending on usage.

Visual guide for charging the device. Connect the provided USB cable to a USB adapter and plug it into the charging socket located on the back of the watch unit. A full charge takes approximately 4 hours.
Portar la polsera
The watch unit is designed to be worn comfortably on your wrist using the provided sweatband.
- Slide the sweatband onto your wrist.
- Adjust the position of the watch unit for optimal comfort and vibration sensation.
- The sweatband is adjustable to fit wrist circumferences from 6.7 inches (170mm) to 8.5 inches (215mm).

This image demonstrates the adjustable wearing size of the sweatband, accommodating wrist circumferences from 6.7 inches (170mm) to 8.5 inches (215mm).
Instruccions de funcionament
The Coolfire Vibrating Alarm Clock features three primary control buttons: LIGHT/STW, SET, and TIME/ALARM. Specific button press sequences may vary slightly; experimentation or a quick start guide (if provided separately) is recommended for precise operation.
Funcions del botó
- LLUM/STW: Activates the backlight for the display; also functions as the Stopwatch control (Start/Stop/Reset).
- SET: Enters and confirms settings modes for time and alarms.
- HORA/ALARMA: Toggles between time display and alarm display modes; used to adjust values during setting.
Establiment de l'hora
- Premeu el botó SET button to enter time setting mode. The hour digits will likely flash.
- Utilitza el HORA/ALARMA per ajustar l’hora.
- Premeu SET de nou per passar als dígits dels minuts.
- Utilitza el HORA/ALARMA per ajustar els minuts.
- Premeu SET una vegada més per confirmar i sortir del mode de configuració de l'hora.
Configuració d'alarmes
The device supports up to 6 vibration alarms.
- Premeu el botó HORA/ALARMA button repeatedly until you see an alarm number (e.g., AL1, AL2) displayed.
- Premeu el botó SET button to enter alarm setting mode for the selected alarm. The hour digits will likely flash.
- Utilitza el HORA/ALARMA per ajustar l’hora de l’alarma.
- Premeu SET again to move to the alarm minute digits.
- Utilitza el HORA/ALARMA botó per ajustar els minuts de l'alarma.
- Premeu SET to confirm the alarm time. You may then be prompted to enable/disable the alarm or set its vibration intensity (if applicable).
- Repeat for other alarms as needed.
Utilitzant el cronòmetre
- Premeu el botó LLUM/STW button to switch to stopwatch mode.
- Premeu LLUM/STW again to start the stopwatch.
- Premeu LLUM/STW to pause/resume the stopwatch.
- To reset, press and hold LLUM/STW mentre el cronòmetre està en pausa.
Manteniment
Neteja de la banda de suor
The watch unit is no resistent a l'aigua. To clean the sweatband, the watch unit must be detached.
- Carefully turn the watch unit over to access its back.
- Locate the locking ring on the back of the watch unit.
- Release the locking ring (this may involve twisting or gently prying, as shown in the diagram).
- Gently push the watch unit out from the sweatband.
- Wash the sweatband by hand with mild soap and water, then air dry completely.
- Once the sweatband is dry, reinsert the watch unit and secure the locking ring.

This diagram illustrates the process of detaching the watch unit from the sweatband for washing. Release the locking ring from the back of the watch, then push out the watch unit. The sweatband can then be washed separately. The watch unit is not water resistant.
Resolució de problemes
Problemes comuns i solucions
- Device not turning on or display is blank:
- Ensure the device is fully charged. Connect it to a USB power source for at least 4 hours.
- If the issue persists after charging, try pressing and holding the SET button for a few seconds to attempt a reset.
- Alarm not vibrating:
- Verify that the alarm is set correctly and enabled. Check the alarm icon on the display.
- Assegureu-vos que el dispositiu tingui prou càrrega de bateria.
- Charging issues (device not charging):
- Check that the USB cable is securely connected to both the watch unit and the power adapter/port.
- Try using a different USB cable or a different USB power adapter/port to rule out a faulty accessory.
- Difficulty setting time or alarms:
- Refer to the 'Operating Instructions' section and carefully follow the button press sequences.
- Practice the setting process a few times to become familiar with the controls.
Especificacions
Especificacions tècniques
| Característica | Detall |
|---|---|
| Marca | Coolfire |
| Número de model | 1685DD |
| Tipus de visualització | Digital |
| Font d'alimentació | Alimentat per bateria (1 bateria de polímer de liti, inclosa) |
| Durada de la bateria | 4-6 weeks (after 4-hour charge) |
| Temps de càrrega | Aproximadament 4 hores |
| Material | Plastic (watch unit), Fabric (sweatband) |
| Tipus de muntatge | Polsera |
| Pes de l'article | 1.6 unces |
| Mida de la polsera | Adjustable from 6.7" (170mm) to 8.5" (215mm) |
| Connectivitat | USB (per carregar) |
| Alarmes | Up to 6 vibration alarms |
| Característica especial | Stopwatch (1/100 second precision) |
Garantia i Suport
Informació de la garantia
Specific warranty details for the Coolfire Vibrating Alarm Clock Wristband are typically provided with your purchase documentation or on the product packaging. Please refer to these resources for information regarding warranty coverage and duration.
Atenció al client
If you encounter any issues not covered in this manual or require further assistance, please contact Coolfire customer service. Contact information can usually be found on the product packaging or the official Coolfire weblloc.



