1. Important Safety Instructions
Please read all instructions carefully before using the ONSEEN S702 Dual-Cup Cordless Stick Vacuum Cleaner. Retain this manual for future reference.
- This appliance is intended for household use only. Do not use outdoors or on wet surfaces.
- Do not allow children to operate the vacuum cleaner. Close supervision is necessary when used near children.
- Do not pick up flammable or combustible liquids, such as gasoline, or use in areas where they may be present.
- Do not pick up anything that is burning or smoking, such as cigarettes, matches, or hot ashes.
- Do not use without the dust cup and filters in place.
- Use only as described in this manual. Use only manufacturer's recommended attachments.
- Do not handle the charger or appliance with wet hands.
- Turn off the appliance before making any adjustments, changing accessories, or storing the vacuum cleaner.
- Store the vacuum cleaner indoors in a cool, dry place.
2. Product Overview
The ONSEEN S702 is a versatile cordless stick vacuum cleaner designed for efficient cleaning of various surfaces. It features a powerful brushless motor, a unique dual-cup dust separation system, an intelligent OLED touch display, and a flexible design for enhanced maneuverability.
2.1 Components Included
The package typically includes the following components:
- Main Motor Unit with Dual-Cup Dustbin
- Extension Tube (180° Foldable)
- Motorized Floor Brush with Green LED Lights
- Crevice Tool
- 2-in-1 Brush Tool
- Wall Mount Bracket
- Power Adapter
- Cleaning Brush
- Spare HEPA Filters (2 included)

Image: The ONSEEN S702 vacuum cleaner shown with all its primary components and accessories, including the main unit, extension tube, floor brush, and various attachments.

Image: A detailed layout of all items included in the ONSEEN S702 package, illustrating the main unit, battery, various nozzles, and cleaning tools.
3. Assembly
Follow these steps to assemble your ONSEEN S702 vacuum cleaner:
- Attach the Extension Tube: Align the main motor unit with the top end of the extension tube. Push firmly until it clicks into place.
- Attach the Floor Brush: Connect the motorized floor brush to the bottom end of the extension tube. Ensure it clicks securely.
- Install Wall Mount (Optional): Choose a suitable location near a power outlet. Secure the wall mount bracket to the wall using the provided screws.
For handheld use, detach the extension tube and connect desired attachments (crevice tool or 2-in-1 brush tool) directly to the main motor unit.
4. Charging the Battery
Before first use, fully charge the battery. The battery takes approximately 4.5 hours to fully charge.
- Connect the power adapter to the charging port on the main motor unit.
- Plug the adapter into a wall outlet.
- The OLED display will show the charging status. A full charge is indicated by 100% on the display.
- The vacuum can be charged while mounted on the wall bracket or directly.

Image: The ONSEEN S702 vacuum cleaner is shown securely mounted on its wall bracket, connected to the power adapter for charging, ready for storage and next use.
5. Operation
5.1 Power On/Off and Suction Modes
Press the power button to turn the vacuum on or off. Use the mode selection button on the OLED display to cycle through the four suction modes:
- Auto Mode (15 kPa): Automatically adjusts suction based on dust detection. Provides approximately 65 minutes of runtime.
- Eco Mode (18 kPa): For light cleaning tasks, offering extended runtime of approximately 45 minutes.
- Standard Mode (28 kPa): Suitable for daily cleaning, with approximately 25 minutes of runtime.
- Maximum Mode (37 kPa): For deep cleaning and stubborn dirt, providing approximately 15 minutes of runtime.

Image: A close-up of the intelligent OLED touch display on the ONSEEN S702, showing the battery percentage, current suction mode, and dust detection progress bar.
5.2 Green LED Dust Detection
The motorized floor brush is equipped with green LED lights that illuminate dust and debris on the floor, making it easier to spot and clean even in dimly lit areas.

Image: The green LED lights on the ONSEEN S702 floor brush are shown illuminating fine dust and hair on a dark surface, demonstrating the dust detection system.
5.3 180° Foldable Tube
The flexible 180° foldable extension tube allows you to easily reach under furniture, beds, and other low-clearance areas without bending down, reducing strain during cleaning.

Image: The ONSEEN S702 vacuum cleaner is depicted with its 180-degree foldable tube bent to easily clean underneath a sofa, showcasing its flexible design.
5.4 Using Attachments
The included attachments can be used directly with the main motor unit for versatile cleaning:
- Crevice Tool: Ideal for narrow gaps, corners, and edges.
- 2-in-1 Brush Tool: Use the brush for delicate surfaces like upholstery or curtains, and the nozzle for general dusting.

Image: A person is using the ONSEEN S702 in handheld mode with the crevice tool to clean tight spaces, such as between car seats.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your vacuum cleaner.
6.1 Emptying the Dual-Cup Dustbin
The 1.5L dual-cup dustbin separates large debris from fine dust, preventing clogging and maintaining suction power. Empty the dustbin regularly, especially when the 'Garbage Progress bar' on the OLED display indicates it is full.
- Press the dustbin release button to detach it from the main unit.
- Hold the dustbin over a trash can and press the bottom release latch to open the lid and empty the contents.
- Close the lid and reattach the dustbin to the main unit until it clicks.

Image: A cutaway view of the ONSEEN S702's dual-cup dustbin, illustrating its separation technology that keeps larger debris and fine dust in separate compartments.
6.2 Cleaning Filters
The 9-stage high-efficiency filtration system includes washable HEPA filters. Clean the filters regularly to maintain suction and air quality.
- Twist and pull to remove the filter assembly from the dustbin.
- Separate the HEPA filter and other filter components.
- Rinse the filters under cold running water until the water runs clear. Do not use detergent.
- Allow all filter components to air dry completely for at least 24 hours before reassembling and placing back into the vacuum.

Image: The dustbin and filter components of the ONSEEN S702 are shown being rinsed under running water, demonstrating the cleaning process for maintaining hygiene and performance.
6.3 Cleaning the Brush Roll
Periodically check the brush roll for tangled hair or debris and clean as needed.
- Turn off the vacuum and detach the floor brush.
- Use a coin or flat tool to unlock the brush roll cover.
- Remove the brush roll. Use scissors to cut away any tangled hair or threads.
- Clean any debris from the brush roll housing.
- Reinsert the brush roll and secure the cover.

Image: A hand is shown removing the brush roll from the motorized floor brush of the ONSEEN S702, indicating the process for cleaning tangled hair and debris.
7. Troubleshooting
If you encounter any issues with your ONSEEN S702, refer to the following table for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum does not turn on | Battery is not charged Battery not properly installed | Charge the battery fully Ensure battery is securely clicked into place |
| Low suction power | Dustbin is full Filters are clogged Brush roll is tangled Attachments are blocked | Empty the dustbin Clean or replace filters Clean the brush roll Check and clear any blockages in the tube or attachments |
| Brush roll not spinning | Brush roll is tangled Obstruction in the brush head | Clean the brush roll of tangled hair/debris Remove any obstructions from the brush head |
| Short runtime | Using Max mode frequently Battery not fully charged Aging battery | Use lower suction modes for longer runtime Ensure battery is fully charged Contact customer support for battery replacement options |
8. Specifications
Technical specifications for the ONSEEN S702 Dual-Cup Cordless Stick Vacuum Cleaner:
| Feature | Specification |
|---|---|
| Brand | ONSEEN |
| Model Number | S702 |
| Motor Power | 530 Watts |
| Suction Power | Up to 37,000 Pa (37 KPA) |
| Battery | 7*2500 mAh Li-Ion (25.9 Volts) |
| Runtime | Up to 65 minutes (Auto Mode) |
| Charging Time | Approximately 4.5 hours |
| Dustbin Capacity | 1.5 Liters (Dual-Cup) |
| Filtration System | 9-stage high-efficiency with washable HEPA filter |
| Noise Level | Less than 65 dB |
| Special Features | OLED Touch Display, Auto Dust Sensing, 180° Foldable Tube, Green LED Dust Detection, Brushless Motor |
| Dimensions (L x W x H) | 30.48 x 20.32 x 119.38 cm (12 x 8 x 47 inches) |
| Weight | 3.39 Kilograms (7.47 lbs) |
9. Warranty and Support
The ONSEEN S702 Dual-Cup Cordless Stick 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, troubleshooting assistance, or to inquire about replacement parts, please contact ONSEEN customer service. Contact details can typically be found on the product packaging or the official ONSEEN website.
Please have your model number (S702) and purchase date ready when contacting support.