Introducción
The Coolfire 1685N is a silent and vibrating wristband alarm clock designed for discreet wake-ups and reminders. It is ideal for individuals who need to wake without disturbing others, those with hearing impairments, or anyone requiring regular, silent reminders throughout the day. This manual provides comprehensive instructions for setting up, operating, and maintaining your Coolfire vibrating alarm wristband.

Figure 1: The Coolfire 1685N Vibrating Alarm Wristband, featuring a red fabric band and a white digital clock module.
Características del producto
- Silent Vibration Alarm: The wristband vibrates on your wrist to alert you without disturbing others.
- Comfortable and Washable Band: Features a soft, washable fabric sweatband for comfort and hygiene.
- Pantalla digital grande: Easy-to-read large numbers on the digital screen.
- Múltiples alarmas: Supports up to 6 daily alarms for various reminders.
- Batería recargable: Built-in lithium battery, rechargeable via USB, providing 4-6 weeks of use on a single charge.
- Fuerza de vibración ajustable: Choose from low, medium, or high vibration intensity to suit your preference.

Figura 2: Sobreview of the Coolfire 1685N's main features, including its multiple alarms, long battery life, and adjustable vibration.

Figure 3: The silent vibration feature allows users to wake up without disturbing a partner or others nearby.
Configuración
Carga inicial
Before first use, fully charge the device. Refer to the Cargando sección para obtener instrucciones detalladas.
Usando la pulsera
The Coolfire 1685N is designed to be worn comfortably on your wrist. The band is adjustable to fit wrist sizes from 6.7 inches (170mm) to 8.5 inches (215mm).

Figure 4: Illustration of the recommended wearing size for the wristband, ensuring a comfortable and effective fit.
Instrucciones de funcionamiento
The Coolfire 1685N features a digital screen and easy-to-use buttons for navigation and settings adjustment.
Configuración de hora y fecha
- Presione el COLOCAR para ingresar al modo de configuración de hora.
- Utilice el LIGHT/STW y HORA/ALARMA buttons to adjust the hours, minutes, and date.
- Prensa COLOCAR nuevamente para confirmar cada configuración y pasar a la siguiente.
Configuración de alarmas
The device supports up to 6 daily alarms.
- Desde la pantalla principal, mantenga presionada la tecla HORA/ALARMA para ingresar al modo de configuración de alarma.
- Utilice el LIGHT/STW y HORA/ALARMA Botones para configurar la hora de alarma deseada.
- Prensa COLOCAR to save the alarm and move to the next alarm slot or exit setting mode.
- To activate or deactivate an alarm, navigate to the alarm time and press the COLOCAR Botón brevemente. Un icono de alarma aparecerá/desaparecerá en la pantalla.
Ajuste de la intensidad de la vibración
The Coolfire 1685N offers three vibration strengths: low, medium, and high. The method to adjust this setting is typically found within the alarm or general settings menu. Consult the on-screen prompts or cycle through settings using the COLOCAR button until the vibration strength option appears.

Figure 5: The wristband provides direct vibration for effective wake-up, unlike pillow vibrators which can have their vibration absorbed.
Cargando
The Coolfire 1685N is equipped with a rechargeable lithium battery. A full charge takes approximately 4 hours and provides 4-6 weeks of operation.
- Locate the charging port on the back of the watch module.
- Connect the provided USB cable to the watch module.
- Plug the other end of the USB cable into any standard USB adaptor (not included) or a computer USB port.
- The display may indicate charging status. Once fully charged, disconnect the cable.

Figure 6: Visual guide for connecting the USB charging cable to the watch module.
Mantenimiento
Cleaning the Sweatband
The fabric sweatband is washable. The watch module itself is not waterproof and must be removed before washing the band.
- Release the locking ring from the back of the watch module.
- Gently push the watch module out of the sweatband.
- The sweatband can be machine washed. Follow standard fabric washing instructions.
- Ensure the sweatband is completely dry before reinserting the watch module.

Figure 7: Step-by-step guide for detaching the watch module from the sweatband for cleaning.
Cuidados generales
- Avoid exposing the watch module to water or excessive moisture.
- Do not attempt to disassemble the watch module.
- Guarde el dispositivo en un lugar fresco y seco cuando no esté en uso.
Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| El dispositivo no se enciende o no responde. | Batería baja. | Cargue el dispositivo completamente (aprox. 4 horas). |
| La alarma no vibra. | Alarm not activated or vibration strength set too low. | Ensure the alarm is activated (icon visible). Increase vibration strength setting. |
| Hora incorrecta mostrada. | La hora no está configurada correctamente. | Follow instructions in "Setting Time and Date" section to reset the time. |
| Los botones no responden. | Fallo temporal del software o batería baja. | Try charging the device. If issue persists, allow battery to fully drain and then recharge. |
Presupuesto
- Marca: Fuego a baja temperatura
- Número de modelo: 1685 N
- Color: Rojo
- Dimensiones del producto: 8.89 x 3.81 x 8.89 cm (3.5 x 1.5 x 3.5 pulgadas)
- Peso del artículo: 10 gramos (0.35 onzas)
- Material: Plastic (module), Fabric (sweatband)
- Tipo de pantalla: Digital
- Fuente de energía: Alimentado por batería (batería de litio recargable)
- Duración de la batería: Up to 4-6 weeks on a full charge
- Características especiales: Top-watch design, 6 vibrating alarms, adjustable vibration strength, USB rechargeable, washable band.
Garantía y soporte
Specific warranty information for the Coolfire 1685N Vibrating Alarm Wristband is not provided within this manual. Please refer to the product packaging, the retailer's website, or the official Coolfire website for details regarding warranty coverage and customer support. For technical assistance or inquiries, please contact Coolfire customer service through their official channels.



