The product is designed to give optimal lumbar support and support your body while keeping your spine properly aligned. Providing back and waist protection for long hours sitting or lying. Recline & lock and height lifting function, simply lift the rear lever to recline to an angle enabling the most comfortable posture ranging from 90 to 135 degrees backward, and push down the lever to lock the backrest before you lie on it. Adjust the chair height ranging from 10cm to any level to your needs by a lift on the front lever handle at the seat bottom. Made of soft luxury breathable leather and thick padded seat, with high-density thick foam which has good elasticity difficult to deform. Extra-firm and steady chair base make a super stable structure. Soft headrest assures you the best experience using the chair to the game for a long time without backache or headache. Snap with a retractable leg rest after a long time working or gaming, this chair can provide you with the best break-taking experience with a soft footrest.