1. Introduction
The XMSJ 688PLUS is a versatile electric air pump designed for both inflation and vacuum sealing. Featuring a dual motor design, it offers efficient and convenient operation for a wide range of items, from balloons and inflatable toys to air mattresses and vacuum storage bags. This manual provides essential information for safe and effective use of your device.
2. Safety Information
- Ensure the power supply matches the device's voltage (AC 220V).
- Do not operate the pump in wet conditions or with wet hands.
- Keep out of reach of children.
- Do not block the air inlets or outlets during operation to prevent overheating.
- Unplug the device when not in use or before cleaning.
- Avoid continuous operation for extended periods to prevent motor damage. Allow for cooling breaks.
3. Package Contents
Verify that all items are present in your package:
- XMSJ 688PLUS Electric Air Pump (Green or Purple)
- Various inflatable nozzles (for different valve sizes)
- Extension hose
- Balloon cutter
- Power cable


4. Product Overview
Familiarize yourself with the components of your electric air pump:

- Ordinary balloon extension small air nozzle: For standard balloons.
- Air inlet (vacuum): Used for vacuum sealing applications.
- Long balloon valve: Specifically designed for long, narrow balloons.
- Multi-function switch: Controls the operation of each motor independently.
- Low pressure valve: For inflating items requiring lower pressure or for precise control.
- High pressure air nozzle: For quick inflation of standard balloons.
- Balloon cutter: Integrated tool for easily tying and cutting balloon strings.
5. Setup and Operation
Before first use, ensure the pump is placed on a stable, flat surface and connected to a 220V AC power outlet.
5.1. Inflating Balloons
- Select the appropriate nozzle for your balloon type (high pressure, low pressure, or long balloon valve).
- Attach the nozzle securely to the desired inflation port.
- Turn on the corresponding multi-function switch.
- Place the balloon opening onto the nozzle.
- Press down on the nozzle to start inflation. Release to stop. For continuous inflation, some nozzles may have a lock feature or require holding the switch.
- Once inflated, remove the balloon and tie it off. Use the integrated balloon cutter if needed.
5.2. Inflating Inflatable Items (e.g., Air Mattresses, Pool Floats, Boats)
- Identify the valve type on your inflatable item.
- Select the largest appropriate nozzle from the accessory kit. An extension hose may be used for hard-to-reach valves.
- Attach the nozzle to the low-pressure valve port on the pump.
- Insert the nozzle firmly into the inflatable item's valve.
- Turn on the corresponding multi-function switch. The pump will begin to inflate the item.
- Monitor the inflation to prevent over-inflation. Once desired firmness is reached, turn off the switch and remove the nozzle.
5.3. Vacuum Sealing Storage Bags
- Ensure your vacuum storage bag is properly sealed, leaving only the air valve accessible.
- Attach the appropriate nozzle to the 'Air inlet (vacuum)' port on the pump.
- Place the nozzle firmly over the vacuum bag's valve.
- Turn on the corresponding multi-function switch. The pump will begin to extract air from the bag.
- Once the desired vacuum level is achieved, turn off the switch and quickly remove the nozzle, sealing the bag's valve if necessary.
6. Maintenance
- Cleaning: Wipe the exterior of the pump with a dry or slightly damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the pump and its accessories in a cool, dry place away from direct sunlight. Utilize the hidden wire storage compartment to keep the power cable tidy and protected.
- Airflow: Periodically check the air inlets and outlets for any obstructions (dust, debris) and clear them to ensure efficient heat dissipation and optimal performance.


7. Troubleshooting
- Pump not turning on: Check if the power cable is securely plugged into both the pump and a working 220V outlet. Ensure the power switch is in the 'ON' position.
- Insufficient inflation/vacuum: Verify that the correct nozzle is firmly attached and that there are no leaks in the item being inflated or the vacuum bag. Ensure the air inlets/outlets are not blocked.
- Pump overheating: If the pump feels excessively hot, turn it off immediately and allow it to cool down for at least 15-20 minutes before resuming use. Avoid continuous operation for too long.
8. Specifications
| Feature | Detail |
|---|---|
| Product Name | Electric Inflatable Pump |
| Model | HF-668PLUS |
| Voltage | AC 220V |
| Color Options | Green, Purple |
| Movement Material | Brass |
| Use Place | Indoor/Outdoor |
| Product Size (LxWxH) | 195 x 129 x 115 mm |
| Net Weight | 1 KG |

9. User Tips
- For optimal performance, ensure the correct nozzle is securely attached for the item you are inflating or deflating.
- Utilize the dual motor control for efficient operation, especially when inflating multiple items or different types of balloons simultaneously.
- The hidden wire storage compartment helps keep your workspace tidy and prevents cable damage during storage.
- When inflating delicate items or balloons, use the low-pressure valve for better control and to prevent accidental over-inflation.
10. Warranty and Support
This product comes with a standard manufacturer's warranty. For any technical support, warranty claims, or inquiries, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.





