Introduction
Thank you for choosing the JONYJ LT-154 Handheld Cordless Car Vacuum Cleaner. This versatile 4-in-1 device is designed for efficient cleaning and convenience, offering powerful suction, air dusting, inflation, and vacuum compression capabilities. Its compact and lightweight design makes it ideal for use in cars, homes, offices, and for pet hair cleanup. Please read this manual thoroughly before use to ensure proper operation and maintenance.
Package Contents
Verify that all items listed below are included in your package:
- 1 x JONYJ LT-154 Handheld Vacuum Cleaner
- 1 x Accessory Kit (various nozzles)
- 1 x Metal Filter
- 1 x HEPA Filter (washable)
- 1 x Type-C Charging Line
- 1 x Owner's Manual
- 1 x Storage Bag

Setup
Charging the Device
Before first use, fully charge the vacuum cleaner. The device is equipped with a 5200mAh battery. Connect the provided Type-C charging cable to the charging port on the device and to a compatible USB power source (car charger, adapter, computer, or power bank). A red flashing light indicates charging, and it will turn green when fully charged. A full charge takes approximately 3 hours and provides up to 30 minutes of continuous use.

Attaching Nozzles
Select the appropriate nozzle for your cleaning task. The nozzles can be easily attached to either the suction port (for vacuuming) or the air outlet (for blowing/inflating/compressing). Ensure the nozzle is securely twisted into place.

Operating Instructions
General Operation
Press the power button to turn the device on. The device typically has multiple power modes; press the button repeatedly to cycle through them. The built-in LED light illuminates dark corners for improved visibility.

Vacuum Mode
Attach the desired suction nozzle to the front of the device. The 84,000 RPM motor generates 16000PA of cyclonic suction, effectively cleaning dust, crumbs, and pet hair from various surfaces like car interiors, sofas, and carpets. The device operates at a low noise level of 75dB.

Air Duster Mode
Attach a blowing nozzle to the rear air outlet. This mode is perfect for clearing dust from hard-to-reach areas such as keyboard crevices, car vents, or delicate electronics.

Inflation and Vacuum Compression Modes
Utilize the specialized nozzles for inflation (e.g., air mattresses, pool floats) or vacuum compression (e.g., storage bags for clothes and bedding). Attach the appropriate nozzle to the air outlet for inflation or to the suction port for vacuum compression.

Video Demonstration
Maintenance
Emptying the Dust Cup
To empty the dust cup, press the one-touch dust release button. Dispose of the collected debris into a trash receptacle.
Cleaning the Filters
The JONYJ LT-154 features a dual filtration system with a durable stainless steel filter and an efficient washable HEPA filter. To clean:
- Detach the dust cup from the main unit.
- Remove the HEPA filter and metal filter from the dust cup.
- Rinse both filters under running water until clean.
- Allow the filters to air dry completely before reassembling. Ensure they are fully dry to prevent damage and maintain suction power.

Troubleshooting
If you encounter any issues with your JONYJ LT-154, please refer to the following common solutions:
- Reduced Suction: Check if the dust cup is full or if the filters are clogged. Empty the dust cup and clean the filters as described in the Maintenance section. Ensure filters are completely dry before reinstallation.
- Device Not Turning On: Ensure the device is fully charged. Connect it to the charger and check if the charging indicator light is red (charging) or green (charged).
- Unusual Noise: Check for any obstructions in the nozzles or the suction path. Remove any foreign objects that may be causing the noise.
If problems persist, please contact customer support for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Brand | JONYJ |
| Model Name | LT-154 |
| Special Feature | Cordless, HEPA, High Power, Lightweight, Washable Filter |
| Filter Type | HEPA Filter |
| Is Cordless? | Yes |
| Capacity | 200 Milliliters |
| Recommended Uses | Car, Home, Office, Pet |
| Form Factor | Handheld |
| Product Dimensions | 9.68"L x 2.91"W x 8.11"H |
| Noise Level | 70 Decibels |
| Battery Life | Up to 30 minutes |
| Item Weight | 1.19 pounds |
| Power Source | Battery Powered |
Warranty and Support
JONYJ is committed to providing reliable after-sales support. If you have any questions or require assistance with your product, please do not hesitate to contact our support team. We are available to assist you at any time.