1. Introduction
The FLEXTAILGEAR 4kPa Portable Air Pump is a compact and lightweight device designed for rapid inflation and deflation of various inflatables. Its small size and high airflow make it suitable for outdoor activities and home use, including sleeping pads, pool floats, swimming rings, and vacuum storage bags.

Image: The FLEXTAILGEAR Tiny Pump 2024 highlighting its key features.
2. Safety Information
- Do not operate the pump continuously for more than 10 minutes. Allow the device to cool down before resuming operation to prevent overheating.
- Keep the pump away from water and extreme temperatures.
- This pump is not suitable for inflating items requiring high pressure, such as basketballs, footballs, balloons, or vehicle tires.
- Keep out of reach of children.

Image: Important safety warnings and usage advisories.
3. Package Contents
Verify that all items are present in the package:
- FLEXTAILGEAR 4kPa Portable Air Pump
- 5-Piece Nozzle Kit (various sizes for different inflatables)
- USB Type-C Charging Cable

Image: Contents of the FLEXTAILGEAR Portable Air Pump package.
4. Product Overview
Familiarize yourself with the main components of the air pump:
- Inflation Port: Used for inflating items.
- Deflation Port: Used for deflating items and vacuum storage bags.
- Hanging Ring: For easy attachment to backpacks or other gear.
- Type-C Charging Port: For recharging the internal battery.
- Power Switch: Controls the pump's operation.

Image: Exploded view diagram of the portable air pump components.
5. Charging the Device
Before first use, fully charge the pump. Use the provided USB Type-C cable to connect the pump to a compatible power source (e.g., wall adapter, power bank, computer USB port).
- A red light indicates the battery is charging (0-99%).
- A green light indicates the battery is fully charged (100%).
- A blinking red light indicates a low battery (0-5%).
The pump does not support dual-head Type-C cable charging.

Image: Charging indicator light status guide.
6. Operating Instructions
6.1. Inflation
- Select the appropriate nozzle from the 5-piece kit that matches the valve of your inflatable item.
- Insert the selected nozzle firmly into the side air port of the pump.
- Insert the other end of the nozzle into the valve of the item you wish to inflate.
- Double-click the power switch to turn on the pump.
- Once the item is inflated to the desired firmness, single-click the power switch to turn off the pump.
- Remove the nozzle from the item and the pump.

Image: Step-by-step guide for inflating items.
6.2. Deflation (and Vacuum Storage)
- Select the appropriate nozzle for the item or vacuum storage bag.
- Insert the selected nozzle firmly into the top air port of the pump.
- Insert the other end of the nozzle into the valve of the item or vacuum bag you wish to deflate.
- Double-click the power switch to turn on the pump.
- Allow the pump to remove air until the item is fully deflated or the vacuum bag is compressed.
- Single-click the power switch to turn off the pump.
- Remove the nozzle from the item and the pump.

Image: Step-by-step guide for deflating items.
7. Maintenance
- To maintain battery health, recharge the pump at least once a month, even if not in use.
- Clean the exterior of the pump with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Ensure the air intake and exhaust ports are free from dust and debris.
- Store the pump and its accessories in a cool, dry place when not in use.
8. Troubleshooting
- Pump not turning on: Ensure the battery is charged. Connect to a power source and check the charging indicator light. Double-click the power switch to activate.
- Weak airflow: Check if the nozzle is securely attached to both the pump and the inflatable item. Ensure the battery is sufficiently charged.
- Nozzle does not fit: The pump includes a 5-piece nozzle kit. Try different nozzles to find the best fit for your inflatable's valve. Some valves may require manual assistance to hold the nozzle in place.
- Pump stops during operation: The pump has a safety feature that may turn it off after prolonged use (e.g., 10 minutes) to prevent overheating. Allow it to cool down before restarting.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | FLEXTAILGEAR |
| Model | B0CDQ5PBGS |
| Color | Black |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Item Weight | 1.58 Ounces (approximately 45g) |
| Product Dimensions | 1.7 x 1.6 x 2.1 inches |
| Power Source | Battery Powered |
| Battery Type | Lithium-ion Polymer |
| Battery Capacity | Approximately 20 minutes of operation per full charge |
| Air Flow Capacity | 180 Liters Per Minute |
| Maximum Pressure | 4 Kilopascal (kPa) |
| Operation Mode | Automatic |
10. Warranty and Support
For warranty information or technical support, please refer to the official FLEXTAILGEAR website or contact their customer service directly. Keep your purchase receipt for warranty claims.
