Breathable fabric: skin friendly and soft, breathable and sweat free, comfortable to use all year round, not easily stuffy and sticky after prolonged sitting. Ergonomic spine protection design: detachable headrest and lumbar pillow, accurately supporting the cervical and lumbar vertebrae, dispersing the pressure of prolonged sitting; Segmented backrest conforms to the curve of the waist and back, relieving lumbar fatigue. Multi functional lunch break configuration: The backrest can be adjusted and locked from multiple angles, paired with extendable foot pedals, allowing for one click switching between lying flat mode and comfortable lunch breaks during office breaks; 360 ° rotation+lifting function, suitable for different heights and desktop heights. Stable and durable structure: chrome plated metal five claw base+silent rollers, stable load-bearing, smooth movement without scratching the floor, and not easily deformed after long-term use.