With its expert high back design, this chair offers an exclusive level of comfort, making it the ultimate reward for any hardworking individual. Crafted with premium materials including Intertek-approved PU leather, TUV-certified casters, SGS-approved Gas-Lift system and tilt function, our office chair delivers absolute five-star luxury. The ergonomic S-curve design with 5 massage modes, all powered by simple USB connection, offers perfect support to make you relaxed, allowing you to work or play at your peak for long periods of time in optimal comfort. The adjustable armrests allow you to customize your sitting position with ease, or move the chair closer to your desk or workspace without the armrests getting in the way