Introdución
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 do produto
- 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 dixital grande: Easy-to-read large numbers on the digital screen.
- Alarmas múltiples: 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.
- Adjustable Vibration Strength: Choose from low, medium, or high vibration intensity to suit your preference.

Figura 2: Máisview 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
Cargo Inicial
Before first use, fully charge the device. Refer to the Cargando sección para instrucións detalladas.
Levando a pulseira
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.
Instrucións de funcionamento
The Coolfire 1685N features a digital screen and easy-to-use buttons for navigation and settings adjustment.
Axuste da hora e da data
- Preme o SET botón para entrar no modo de configuración da hora.
- Usa o LIGHT/STW e HORA/ALARMA buttons to adjust the hours, minutes, and date.
- Preme SET de novo para confirmar cada axuste e pasar ao seguinte.
Configuración de alarmas
The device supports up to 6 daily alarms.
- From the main display, press and hold the HORA/ALARMA botón para entrar no modo de configuración da alarma.
- Usa o LIGHT/STW e HORA/ALARMA botóns para axustar a hora de alarma desexada.
- Preme SET 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 SET botón brevemente. Aparecerá/desaparecerá unha icona de alarma na pantalla.
Adjusting Vibration Strength
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 SET 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.
Mantemento
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.
Atención Xeral
- Avoid exposing the watch module to water or excessive moisture.
- Do not attempt to disassemble the watch module.
- Garda o dispositivo nun lugar fresco e seco cando non estea en uso.
Resolución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| Device not turning on or responding. | Batería baixa. | Cargue o dispositivo completamente (aproximadamente 4 horas). |
| Alarm not vibrating. | Alarm not activated or vibration strength set too low. | Ensure the alarm is activated (icon visible). Increase vibration strength setting. |
| Hora incorrecta mostrada. | Hora non axustada correctamente. | Follow instructions in "Setting Time and Date" section to reset the time. |
| Os botóns non responden. | Fallo temporal de software ou batería baixa. | Try charging the device. If issue persists, allow battery to fully drain and then recharge. |
Especificacións
- Marca: Coolfire
- Número de modelo: 1685N
- Cor: Vermello
- Dimensións do produto: 8.89 x 3.81 x 8.89 cm (3.5 x 1.5 x 3.5 polgadas)
- Peso do artigo: 10 gramos (0.35 onzas)
- Material: Plastic (module), Fabric (sweatband)
- Tipo de visualización: Dixital
- Fonte de enerxía: Alimentado por batería (batería de litio recargable)
- Duración da batería: Up to 4-6 weeks on a full charge
- Características especiais: Top-watch design, 6 vibrating alarms, adjustable vibration strength, USB rechargeable, washable band.
Garantía e 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.



