1. Introdución
This manual provides comprehensive instructions for the setup, operation, and maintenance of your Coolfire 1685E Vibrating Wristband Alarm Clock. Please read this manual thoroughly before using the device to ensure proper function and longevity.
The Coolfire 1685E is designed to provide a silent, vibrating alarm experience, ideal for individuals who need to wake without disturbing others, heavy sleepers, or those with hearing impairments. It features multiple alarm settings, a stopwatch, and a comfortable wristband.
2. Información de seguridade
- Este dispositivo é non resistente á auga. Avoid contact with liquids.
- Non intente desmontar nin reparar o dispositivo vostede mesmo. Consulte persoal de servizo cualificado.
- Manter fóra do alcance dos nenos pequenos.
- Use só o cable USB proporcionado para cargar.
3. Contido do paquete
Verifique que todos os elementos estean presentes no seu paquete:
- Coolfire 1685E Alarm Unit
- Washable Sweatband (Black)
- Cable de carga USB
- Manual de usuario (este documento)
4. Produto rematadoview
The Coolfire 1685E consists of a digital alarm unit and a soft, comfortable sweatband. The alarm unit features a digital display and three control buttons.

Figura 4.1: Coolfire 1685E Vibrating Wristband Alarm Clock. The white alarm unit is embedded in a black sweatband, displaying the time and control buttons.
Botóns de control:
- LIGHT/STW: Activates backlight; functions as Stopwatch control.
- CONXUNTO: Enters setting mode and confirms selections.
- TIME/ALARM: Toggles between time and alarm display; adjusts values during setting.
5. Configuración
5.1 Carga do dispositivo
Before first use, fully charge the alarm unit. A full charge takes approximately 4 hours and provides 4-6 weeks of operation depending on usage.
- Locate the charging port on the back of the alarm unit.
- Connect the provided USB charging cable to the alarm unit.
- Plug the other end of the USB cable into any standard USB power adapter (not included).
- O indicador da batería na pantalla mostrará o estado da carga. Unha vez que estea completamente cargada, desconecte o cable.

Figura 5.1: Charging the alarm unit. The image shows the USB cable connected to the charging port on the back of the alarm unit, which is inserted into the sweatband.
5.2 Attaching the Alarm Unit to the Sweatband
The alarm unit is designed to be removable for charging and cleaning of the sweatband.
- Ensure the sweatband is clean and dry.
- Locate the opening in the sweatband designed for the alarm unit.
- Gently push the alarm unit into the opening until it is securely seated. Ensure the display faces outwards.
5.3 Wearing the Wristband
Wear the wristband on your wrist for optimal vibration sensation. The sweatband is designed for comfort during sleep.

Figura 5.2: Wearing the wristband. The image illustrates the alarm unit worn on a wrist, with a separate graphic indicating the sweatband's circumference range of 6.7 inches (170mm) to 8.5 inches (215mm).
6. Instrucións de funcionamento
6.1 Axuste da hora e da data
The device allows setting of the current time and date. Refer to the specific instructions provided on the small printed sheet included with your product for detailed button press sequences, as these can be intricate.
6.2 Configuración de alarmas
The Coolfire 1685E supports up to 6 distinct vibration alarms. Each alarm can be set independently.
- Preme o SET button repeatedly until the alarm setting mode is displayed (e.g., AL1, AL2).
- Usa o HORA/ALARMA button to adjust the hour and minute values.
- Preme SET to confirm each segment (hour, minute) and move to the next alarm or exit setting mode.
- Asegúrate de que a alarma estea activada (debería aparecer unha icona de alarma na pantalla).

Figura 6.1: Key features of the alarm unit, including the ability to set up to 6 vibration alarms and display alarm times.
6.3 Uso do cronómetro
The device includes a 24-hour precision 1/100 seconds digital stopwatch function.
- Preme o LIGHT/STW button to enter stopwatch mode.
- Preme LIGHT/STW again to start and stop the stopwatch.
- Preme SET to reset the stopwatch.
6.4 Función de retroiluminación
Preme o LIGHT/STW button briefly to activate the display backlight for improved visibility in low light conditions.
7. Mantemento
7.1 Cleaning the Sweatband
The sweatband is washable, but the alarm unit is not. Always detach the alarm unit before washing the sweatband.
- To detach the watch, release the locking ring from the back of the watch unit.
- Gently push the watch unit out of the sweatband.
- Wash the sweatband by hand with mild soap and water, or machine wash on a gentle cycle.
- Allow the sweatband to air dry completely before reinserting the alarm unit.

Figura 7.1: Detaching the alarm unit for sweatband washing. The image shows the alarm unit being removed from the sweatband by releasing a locking ring.
7.2 Coidado coa batería
The device is powered by a rechargeable lithium battery. To prolong battery life:
- Charge the device fully when the battery indicator is low.
- Evita temperaturas extremas.
- If storing for an extended period, charge the device to approximately 50% every few months.
8 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| O dispositivo non se acende nin responde. | Batería baixa. | Cargue o dispositivo durante polo menos 4 horas. |
| Alarm does not vibrate. | A alarma non está activada ou está configurada incorrectamente. | Verify alarm settings and ensure the alarm icon is visible on the display. Check battery level. |
| Dificultade para axustar a hora/alarma. | Secuencia de botóns incorrecta. | Refer to the detailed instructions provided on the small printed sheet included with your product. Practice the button sequences. |
| Batería de curta duración. | Frequent alarm use or backlight activation. | Battery life varies with usage. Ensure full charge. Reduce frequency of backlight use if possible. |
9. Especificacións
- Marca: Coolfire
- Modelo: 1685E
- Tipo de visualización: Dixital
- Fonte de enerxía: Funciona con batería (requírese 1 batería de polímero de litio)
- Tempo de carga: Aproximadamente 4 horas
- Tempo de funcionamento: 4-6 weeks per full charge (typical)
- Características especiais: 6 Vibration Alarms, Stopwatch, Backlight
- Material: Plastic (alarm unit), Cotton (sweatband)
- Peso do artigo: 1.6 onzas
- Dimensións do produto: 3.5"W x 3.5"H (alarm unit)
- Tamaño da pulseira: 6.7" (170mm) to 8.5" (215mm) circumference
- UPC: 841321108071
10. Garantía e soporte
For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official Coolfire websitio. Garda o comprobante de compra para calquera reclamación de garantía.



