The PU ergonomic chair features design and functionality designed to provide an ergonomic sitting posture to promote user comfort, health and productivity. Here are some ergonomic features commonly found on this type of chair:

Support lumbar spine: PU ergonomic chairs are usually designed with lumbar support or waist adjustment function to maintain the natural curve of the lumbar spine, reduce waist pressure, and prevent waist discomfort or pain.

Adjust seat height: Allows users to adjust the height of the chair according to their own height, ensuring that their feet are flat on the ground and their knees are at a 90-degree angle, promoting a normal sitting posture.

Seat tilt and lock: The seat tilt and lock mechanism allows users to freely choose a forward or backward sitting posture, which helps relieve the pressure caused by long-term sitting.

Adjustable armrests: Provides adjustable height and width armrests to ensure proper support for arms and shoulders and reduce shoulder and neck fatigue.

Breathable Materials: Using materials with good breathability, such as mesh fabric or vents, will help keep the seat ventilated and reduce moisture and discomfort in the chair.

360-Degree Rotation: Allows the chair to rotate within a 360-degree range to facilitate user movement and turning, reducing the possibility of twisting or overextension.

Stable base: The chair base should be designed to be stable to prevent tipping or accidental sliding and ensure user safety.

Easy-to-Adjust Controls: Easy-to-operate adjustments are provided so that users can easily adjust various parts of the chair to suit individual needs.

The comprehensive design of these functions can provide good support, help maintain a good sitting posture, reduce the discomfort and fatigue caused by long-term sitting, and help promote the user's health and comfort.