1. Introduction
Thank you for choosing the UMLO S500 Cordless Vacuum Cleaner. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new vacuum cleaner. Please read it thoroughly before first use and keep it for future reference.
The UMLO S500 is designed to make your housework easier and your home cleaner with its powerful suction, versatile design, and efficient filtration system.
2. Product Overview & What's in the Box
The UMLO S500 is a lightweight and cordless stick vacuum cleaner featuring a powerful brushless motor and a detachable battery for extended runtime. It offers two speed modes and a high-efficiency filtration system to capture fine dust and allergens.
Key Features:
- 25 KPa Powerful Suction
- 235W Upgrade Brushless Digital Motor
- Up to 45 Mins Long Runtime (Eco Mode)
- 2 Speed Modes (MIN/MAX)
- 2.4lbs Lightweight Main Body
- 4 LED Headlights & LED Display
- 99.99% High-efficient Filtration System
- 1L Dust Cup Capacity & One-Touch-Empty
- 2200 mAh Detachable Rechargeable Battery
- Versatile for Hardwood Floors & Low-Pile Carpet
Package Contents:
- Main Vacuum Unit (Motor, Dust Cup, Handle)
- Extension Wand (Retractable Metal Tube)
- Motorized Brush Head with LED Lights
- 2-in-1 Long Crevice Tool/Brush
- Wall Mount Bracket
- Power Adapter/Charger
- Small Cleaning Brush
- User Manual

Figure 2.1: All components of the UMLO S500 Cordless Vacuum Cleaner.
3. Setup and Assembly
Follow these steps to assemble your UMLO S500 Cordless Vacuum Cleaner:
- Attach the Extension Wand: Insert the top end of the extension wand into the main vacuum unit until it clicks securely into place.
- Attach the Brush Head: Connect the motorized brush head to the bottom end of the extension wand, ensuring it clicks firmly.
- Install the Battery: If not already installed, slide the detachable battery into the slot on the main vacuum unit until it locks.
- Charge the Battery: Before first use, fully charge the battery. Connect the power adapter to the battery or the wall-mounted charging dock, then plug it into a power outlet. The battery takes approximately 4.5 hours to fully charge.
- Wall Mount Installation (Optional): Choose a suitable location near a power outlet. Secure the wall mount bracket to the wall using appropriate screws and anchors (not included). You can then store and charge your vacuum on the wall mount.

Figure 3.1: Charging the detachable battery and wall-mounted storage.
4. Operating Instructions
Power On/Off and Speed Modes:
- Power On: Press the power button once to start the vacuum cleaner.
- Adjust Speed: Use the speed mode button (MIN/MAX) on the handle to switch between the two suction levels. The LED display will indicate the current mode.
- Power Off: Press the power button again to turn off the vacuum cleaner.
Using Attachments:
- Motorized Brush Head: Ideal for cleaning various floor types, including hardwood, tile, and low-pile carpets. The integrated LED headlights illuminate dark areas, making hidden dust visible. The flexible brush head allows for 90° and 180° rotation to easily clean under furniture.
- 2-in-1 Long Crevice Tool/Brush: Detach the extension wand and attach this tool directly to the main unit for handheld cleaning. Use the crevice tool for tight spaces like sofa gaps, corners, and car interiors. Extend the brush for dusting surfaces like bookshelves or keyboards.
Video 4.1: Product demonstration showing assembly, operation, and cleaning capabilities.

Figure 4.2: The flexible brush head with LED lights for enhanced visibility and maneuverability.
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your vacuum cleaner.
Emptying the Dust Box:
The 1L dust cup features a one-touch empty design. Simply press the release button to open the bottom flap and empty the contents directly into a trash bin. It is recommended to empty the dust box after each use or when it reaches the MAX fill line.

Figure 5.1: One-click dust box emptying for convenient disposal.
Cleaning the Filtration System:
The UMLO S500 features a 99.99% high-efficiency filtration system, including a Sponge Filter, HEPA Filter, Multi-Cone Cyclone Filtration, Primary Filter Filtration, and Strong Cyclone. These filters should be cleaned regularly to maintain suction power.
- Disassemble: Twist and pull to remove the dust cup and filter components from the main unit.
- Clean Filters: Tap out loose dirt from the filters. Rinse the sponge and HEPA filters under cold running water. Ensure they are completely dry before reassembling.
- Reassemble: Once all parts are dry, reassemble the filtration system and dust cup.

Figure 5.2: Exploded view of the multiple high-efficiency filtration system components.
Cleaning the Brush Head:
Periodically check the motorized brush head for tangled hair or debris. Use the provided small cleaning brush or scissors to remove any obstructions from the roller brush.
6. Troubleshooting
If you encounter any issues with your UMLO S500, please refer to the following common problems and solutions:
- No Power: Ensure the battery is fully charged and correctly installed. Check if the power adapter is properly connected during charging.
- Reduced Suction: Empty the dust box. Clean all filters thoroughly and ensure they are dry before reinstallation. Check the brush head and extension wand for any blockages.
- Brush Head Not Rotating: Check for tangled hair or debris in the brush roll and clear any obstructions. Ensure the brush head is securely attached.
- Short Runtime: Ensure the battery is fully charged. Operating in MAX mode will consume battery faster than MIN mode. The battery may need replacement after extended use.
If the problem persists, please contact customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Brand Name | UMLO |
| Model | S500 |
| Suction Power | 25 KPa |
| Motor Power | 235W Brushless Digital Motor |
| Battery Capacity | 2200 mAh (Detachable) |
| Charging Time | Approx. 4.5 hours |
| Runtime | 16-40 minutes (16 mins Max Mode, 40 mins Eco Mode) |
| Dust Box Capacity | 1 L |
| Filtration System | 99.99% High-efficient (Sponge, HEPA, Multi-Cone Cyclone, Primary Filter, Strong Cyclone) |
| Weight (Main Body) | 2.4 lbs (1.09 kg) |
| Total Weight (Package) | 3.2 kg |
| Voltage | 100-240V |
| Power (W) | <500W |
| Function | Dry |
| Installation | Hand Held |
| Number of Nozzles | 1-3 |
| Number of Operating Modes | 1-2 |
| LCD Display | No |
| Remote Control | No |
| Package Dimensions (L x W x H) | 44cm x 29cm x 19cm |
8. User Tips
- For optimal cleaning, especially for pet hair and larger debris, utilize the MAX suction mode.
- The LED headlights are particularly useful for cleaning under furniture or in dimly lit areas, ensuring no dust is missed.
- Regularly empty the 1L dust cup and clean the filters to maintain strong suction and prevent clogging.
- Take advantage of the lightweight design and various attachments to clean hard-to-reach areas, high surfaces, and even your car interior.
- The detachable battery allows for convenient charging, either directly or via the wall mount, making storage flexible.
9. Warranty and Support
Your UMLO S500 Cordless Vacuum Cleaner comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support, replacement parts, or any other inquiries, please contact UMLO customer service through your retailer or the official UMLO support channels.





