Why choose newtral ergonomic office chair ? Newtral office chair is tailored for individuals who spend prolonged periods sitting, designed to meet ergonomic standards. It is the world's first chair that automatically adjusts to support your lumbar and back, whether you're leaning forward, sitting upright, or reclining. Providing comprehensive support and comfort, it alleviates discomfort associated with extended sitting. Whether for long office hours, study sessions, or leisure time, you deserves to experience the comfort and support of a Newtral ergonomic Chair. What are the main features of the Newtral NT001? Auto-following and supporting the lower back, reducing spinal pressureAdjustable and Recline up to 136 Detachable laptop table seamlessly integrates with the office chair Recline up to 136 Lockable at any position 4'11" - 6'9", weights up to 300 lbs 150 cm - 204 cm, weights up to 136 kg What height range is the Newtral chair suitable for? Suitable for individuals with a height range of 5.1" to 6.3" (1.27 m to 1.91 m). The chair's total height is adjustable within the range of 43.7" to 54". The backrest height is adjustable with five different positions, allowing users to customize the support based on their height needs. For individuals over 6.0" (1.83 m) tall, we recommend purchasing additional height-increasing wheels, which add an extra 3 cm, providing better comfort for taller individuals.