1. Introduction
This manual provides instructions for the assembly, operation, and maintenance of your SONGMICS Office Stool Chair, model UOSC01BK. This adjustable height stool is designed to support active sitting, promoting engagement and flexibility in office or home environments.

Image 1.1: User seated on the SONGMICS Office Stool Chair.
2. Safety Guidelines
- Ensure all components are securely fastened before use.
- Do not exceed the maximum load capacity of 265 lb (120 kg).
- Use the stool on a flat, stable surface to prevent tipping.
- Keep hands and fingers clear of moving parts during height adjustment.
- Children should only use the stool under adult supervision.
3. Package Contents
Verify that all parts are present before beginning assembly:
- 1 x Active Sitting Stool (Seat, Pole, Base)
- 1 x Instructions Manual
4. Assembly Instructions
Assembly of the SONGMICS Office Stool Chair is straightforward and requires no tools.
- Place the base on a flat surface.
- Insert the pole firmly into the designated hole in the center of the base.
- Align the seat with the top of the pole and press down firmly until it is securely attached.
The stool is now assembled and ready for use.

Image 4.1: Assembled stool in an office environment.
5. Operating Instructions
5.1 Height Adjustment
To adjust the stool's height, locate the two levers positioned beneath the seat. Pull either lever upwards while applying or releasing weight from the seat. The stool's height can be adjusted from 19.7 inches to 27.6 inches (50 cm to 70 cm).

Image 5.1: Stool height adjustment range.

Image 5.2: Detail of the height adjustment lever.
5.2 Active Sitting and Swivel Function
The stool is designed for active sitting, allowing for slight swiveling and wobbling motions. This feature encourages core engagement and dynamic posture throughout the day. The seat also offers a 360-degree rotation for ease of movement.

Image 5.3: Stool's wobble and foam seat features.
5.3 High-Density Reflex Foam Seat
The stool features a well-padded seat upholstered with 2.6-inch thick high-density reflex foam. This design provides comfort and maintains its shape over long-term use.

Image 5.4: High-density reflex foam seat detail.
5.4 Anti-Slip Base
The stool is equipped with an anti-slip PVC pad on its base to ensure stability and prevent unwanted movement during use.

Image 5.5: Anti-slip PVC pad on the stool base.
5.5 Official Product Video
Video 5.1: Official product video demonstrating the SONGMICS Ergonomic Standing Desk Swivel Stool UOSC01BK, including assembly, height adjustment, and active sitting features.
6. Care and Maintenance
To maintain the condition of your stool, wipe it with a damp cloth as needed. Avoid using harsh chemicals or abrasive cleaners, which may damage the materials.
7. Troubleshooting
- Stool not adjusting height: Ensure the adjustment lever is fully engaged and that you are applying or releasing weight appropriately. Check for any obstructions in the gas lift mechanism.
- Stool feels unstable: Verify that the stool is placed on a flat, even surface. Ensure all assembled parts are securely connected.
- Unusual noises during use: Check for any loose connections or foreign objects. If noises persist, discontinue use and contact customer support.
8. Product Specifications
| Feature | Detail |
|---|---|
| Model Number | UOSC01BK |
| Product Dimensions | 16.1"D x 16.1"W x 27.6"H |
| Color | Black |
| Frame Material | Polypropylene (PP), Steel |
| Seat Material | Foam, Polyester |
| Seat Height Range | 19.7" - 27.6" (50-70 cm) |
| Seat Diameter | 14.6" (37 cm) |
| Base Diameter | 16.1" (41 cm) |
| Product Weight | 17.4 lb (7.9 kg) |
| Maximum Load Capacity | 265 lb (120 kg) |
| Assembly Required | Yes |

Image 8.1: Product dimensions.
9. Warranty and Customer Support
For warranty information or customer support, please refer to the contact details provided at the point of purchase or visit the official SONGMICS website. Please have your model number (UOSC01BK) available when contacting support.