Introducción
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.
Producto terminadoview
Componentes
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.
Características principales
- Alarma vibratoria: Provides silent, strong vibrations to wake the user without disturbing others.
- Múltiples alarmas: Supports up to 6 distinct alarm settings.
- Digital Stopwatch: Includes a 24-hour precision 1/100 seconds digital stopwatch function.
- Diseño cómodo: Integrated into a soft, washable sweatband for ease of wear and support.
- Pantalla clara: Features large digits for easy readability.
- Recargable por USB: 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.
Configuración
Carga del dispositivo
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.
- Conecte el cable USB proporcionado al puerto de carga.
- 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.
Usando la pulsera
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).
Instrucciones de funcionamiento
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.
Funciones de los botones
- LIGHT/STW: Activates the backlight for the display; also functions as the Stopwatch control (Start/Stop/Reset).
- CONJUNTO: Enters and confirms settings modes for time and alarms.
- TIME/ALARM: Toggles between time display and alarm display modes; used to adjust values during setting.
Ajuste de la hora
- Presione el COLOCAR Botón para entrar al modo de ajuste de hora. Es probable que los dígitos de la hora parpadeen.
- Utilice el HORA/ALARMA botón para ajustar la hora.
- Prensa COLOCAR de nuevo para pasar a los dígitos de los minutos.
- Utilice el HORA/ALARMA botón para ajustar los minutos.
- Prensa COLOCAR una vez más para confirmar y salir del modo de configuración de hora.
Configuración de alarmas
The device supports up to 6 vibration alarms.
- Presione el HORA/ALARMA button repeatedly until you see an alarm number (e.g., AL1, AL2) displayed.
- Presione el COLOCAR button to enter alarm setting mode for the selected alarm. The hour digits will likely flash.
- Utilice el HORA/ALARMA para ajustar la hora de la alarma.
- Prensa COLOCAR nuevamente para pasar a los dígitos de los minutos de la alarma.
- Utilice el HORA/ALARMA Botón para ajustar los minutos de la alarma.
- Prensa COLOCAR 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.
Usando el cronómetro
- Presione el LIGHT/STW button to switch to stopwatch mode.
- Prensa LIGHT/STW again to start the stopwatch.
- Prensa LIGHT/STW to pause/resume the stopwatch.
- To reset, press and hold LIGHT/STW mientras el cronómetro está en pausa.
Mantenimiento
Cleaning the Sweatband
The watch unit is no resistente al agua. 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.
Solución de problemas
Problemas comunes y soluciones
- 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.
- La alarma no vibra:
- Verify that the alarm is set correctly and enabled. Check the alarm icon on the display.
- Asegúrese de que el dispositivo tenga suficiente carga de batería.
- 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.
Presupuesto
Especificaciones técnicas
| Característica | Detalle |
|---|---|
| Marca | Fuego a baja temperatura |
| Número de modelo | 1685DD |
| Tipo de pantalla | Digital |
| Fuente de poder | Funciona con pilas (1 pila de polímero de litio, incluida) |
| Duración de la batería | 4-6 weeks (after 4-hour charge) |
| Tiempo de carga | Aproximadamente 4 horas |
| Material | Plastic (watch unit), Fabric (sweatband) |
| Tipo de montaje | Pulsera |
| Peso del artículo | 1.6 onzas |
| Tamaño de la pulsera | Adjustable from 6.7" (170mm) to 8.5" (215mm) |
| Conectividad | USB (para cargar) |
| Alarmas | Up to 6 vibration alarms |
| Característica especial | Stopwatch (1/100 second precision) |
Garantía y soporte
Información de garantía
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.
Atención al cliente
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 websitio.



