1. Adjustable curvature, fits the lumbar spine, rear pull strap, adjustable to customize the waist size, comfortable curved surface, seamlessly fits the waist
2. Bionic curved surface, support on both sides. If the waist and back are supported by both hands, it can effectively alleviate the discomfort and fatigue in the waist
3. The model with fan function has three adjustment levels, allowing you to regulate the wind force and drive away the heat
4. 3D surround ultra-wide-angle air circulation, high elasticity comfortable curvature support, expanding the distance between the seat and the body is more conducive to ventilation and heat dissipation, and the penetrating air circulation reaches the entire body
5. Multiple cooling materials ensure that the surface remains refreshing for a long time
6. Expanded and widened design, extending to both sides. It fills the gap in the seat, increases the area for the waist to bear force, conforms to the waist curve, relieves pressure, and allows the waist and back to get full relaxation
7. Memory high-performance high-toughness carbon steel frame, durable and can withstand multiple extrusions without breaking or deforming
8. Fastening buckle and drawstring operation is simple, and it not break even after long use.
9. Napa leather edge, dirt-resistant and easy to clean
10. Power supply method for the model with fan: USB direct power supply
11. Voltage/power for the model with fan: 5V 4.5-7.5W
12. Fabric: double-layer perforated ice silk