1. Introdución
Thank you for choosing the JUFINX X21 Electric Blower and JUFINX X3-MINI Electric Air Duster. These devices are designed for efficient cleaning and blowing tasks, offering powerful performance and portability. This manual provides essential information for the safe and effective use, setup, operation, and maintenance of your new products. Please read this manual thoroughly before use and retain it for future reference.

Image 1: The JUFINX X21 Electric Blower (right) and JUFINX X3-MINI Electric Air Duster (left) with various nozzles and charging cable.
2. Instrucións de seguridade
Observe sempre as seguintes precaucións de seguridade para reducir o risco de lesións ou danos:
- Le todas as instrucións: Familiarize yourself with the controls and proper use of the devices.
- Manter lonxe dos nenos: These products are not toys. Store them out of reach of children.
- Uso en zonas ben ventiladas: Do not operate in confined spaces where dust or debris could accumulate.
- Avoid direct contact with eyes and skin: Do not direct airflow towards people or animals.
- Do not immerse in water: Both devices are electrical and should not be exposed to liquids.
- Use only specified charging cables and adapters: Using incompatible chargers may damage the battery or cause fire.
- Do not block air inlets/outlets: Ensure clear airflow during operation to prevent overheating.
- Almacenar correctamente: Cando non estea en uso, gárdeo nun lugar seco e fresco, lonxe da luz solar directa.
- Non desmontar: Attempting to disassemble or repair the devices may void the warranty and pose safety risks.
3. Contido do paquete
JUFINX X3-MINI Electric Air Duster
- JUFINX X3-MINI Electric Air Duster unit
- Various nozzles (e.g., brush nozzle, standard nozzle)
- cable de carga USB
- Manual de usuario

Image 2: The JUFINX X3-MINI Electric Air Duster shown with its included nozzles and USB charging cable.
JUFINX X21 Electric Blower
- JUFINX X21 Electric Blower unit
- Adaptador de carga
- Cable de carga USB tipo C
- Manual de usuario

Image 3: The JUFINX X21 Electric Blower, accompanied by its charging adapter and USB Type-C cable.
4. Produto rematadoview
JUFINX X3-MINI Electric Air Duster
The X3-MINI is a compact and powerful electric air duster designed for precision cleaning of electronics, keyboards, and other delicate items. It features a brushless motor, multiple speed settings, and interchangeable nozzles for various applications.
JUFINX X21 Electric Blower
The X21 is a handheld cordless electric blower, ideal for tasks requiring stronger airflow such as clearing leaves, drying surfaces, or inflating items. It boasts a powerful 64mm brushless motor, stepless speed control, and a high-capacity battery for extended use.
5. Configuración
5.1 Nozzle Installation (JUFINX X3-MINI)
- Paso 1: If a nozzle is already attached, gently rotate it counter-clockwise to remove.
- Paso 2: Select the desired nozzle for your cleaning task. Align the new nozzle with the air outlet of the X3-MINI.
- Paso 3: Push the nozzle onto the outlet and rotate it clockwise until it clicks securely into place. Ensure it is firmly attached before operation.

Image 4: Visual guide demonstrating the three steps for attaching and securing a nozzle to the X3-MINI Electric Air Duster.
5.2 Nozzle Installation (JUFINX X21)
The JUFINX X21 typically features an integrated nozzle design or a simple push-and-twist mechanism for any included attachments. Ensure any attachments are securely fastened before use.
6. Instrucións de funcionamento
6.1 JUFINX X3-MINI Electric Air Duster
- Encendido/apagado: Manteña premido o botón de acendido durante uns segundos para acender ou apagar o dispositivo.
- Axuste da velocidade do aire: Once powered on, short press the power button to cycle through the three available air speed settings (low, medium, high).
- Operación: Direct the nozzle towards the area to be cleaned. Maintain a safe distance to avoid damaging sensitive components.

Imaxe 5: Ex.amples of the X3-MINI's versatility, including cleaning window cracks, clearing wood chips, blowing leaves, and inflating an air bed.
6.2 JUFINX X21 Electric Blower
- Encendido/apagado: Press the power button to turn the blower on. Press again to turn off.
- Adjusting Air Speed (Stepless): The X21 features stepless speed control. Gently press the trigger to activate the blower and increase pressure. Release to decrease.
- Modo Turbo: For maximum power, long-press the trigger to activate turbo mode, delivering the highest wind pressure.
- Operación: Direct the blower towards the target area. For optimal results, use sweeping motions.

Image 6: An illustration of the X21's powerful internal motor generating 1200G of wind pressure.
7. Cargando
Ensure both devices are fully charged before first use for optimal performance.
7.1 Charging JUFINX X3-MINI
- Connect the provided USB charging cable to the charging port on the X3-MINI.
- Connect the other end of the USB cable to a compatible USB power adapter (not always included) or a computer USB port.
- The indicator lights will show charging status. Disconnect once fully charged.
7.2 Charging JUFINX X21
- Connect the provided USB Type-C charging cable to the charging port on the X21.
- Connect the other end of the cable to the provided charging adapter, then plug the adapter into a wall outlet.
- The battery indicator lights will illuminate to show charging progress. The X21 supports 30W fast charging.
- Desconecte o cargador unha vez que a batería estea chea para prolongar a súa duración.

Image 7: Features of the X21's power system, including its 6000mAh battery, safety protection, 30W fast charging, and Type-C charging port.
8. Mantemento
- Limpeza: Use a soft, dry cloth to wipe the exterior of the devices. Do not use harsh chemicals or abrasive cleaners.
- Ventos de aire: Periodically check and clear any dust or debris from the air intake and exhaust vents to ensure proper airflow and prevent overheating.
- Almacenamento: Store the devices in a cool, dry place away from direct sunlight and extreme temperatures. Ensure they are fully charged before long-term storage.
- Coidado da batería: For optimal battery life, avoid completely draining the battery frequently. Recharge when the battery level is low.
9 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| O dispositivo non se acende | Batería baixa; o botón de acendido non se premeu correctamente | Cargue o dispositivo completamente; prema e manteña premido o botón de acendido durante uns segundos. |
| Fluxo de aire débil | Low battery; Blocked air vents; Incorrect speed setting | Recharge the device; Clear any obstructions from vents; Adjust to a higher speed setting. |
| O dispositivo sobrequenta | Blocked air vents; Prolonged use at high power | Turn off the device and allow it to cool; Clear air vents; Use in shorter intervals. |
| A carga non funciona | Faulty cable/adapter; Loose connection | Ensure cable and adapter are securely connected; Try a different compatible cable/adapter. |
10. Especificacións
JUFINX X3-MINI Electric Air Duster
| Característica | Detalle |
|---|---|
| Velocidade do motor | Up to 110,000 RPM (Brushless) |
| Air Speeds | 3 axustes axustables |
| Fonte de enerxía | Batería recargable |
| Boquillas | Multiple interchangeable nozzles |
JUFINX X21 Electric Blower
| Característica | Detalle |
|---|---|
| Tipo de motor | Motor sen escobillas de 64 mm |
| Presión do vento | Ata 1200G |
| Control de velocidade | Stepless variable speed with Turbo mode |
| Capacidade da batería | 6000 mAh |
| Cargando | Carga rápida de 30 W, porto tipo C |
| Run Time (approx.) | 60 minutes (low speed), 30 minutes (medium speed), 10 minutes (high speed) |
11. Garantía e soporte
JUFINX provides a Servizo posvenda de 24 meses for its products. Our customer support team is available 24 horas ao día, 7 días á semana to assist you with any questions or concerns regarding your JUFINX X21 Electric Blower or X3-MINI Electric Air Duster.
If you encounter any issues or have questions not covered in this manual, please do not hesitate to contact us through the retailer's platform or the official JUFINX websitio para asistencia inmediata.