What do you expect for a perfect home office chair. In ergonomic design. With adjustable features. That is exactly what our chair can provide with. The computer desk chair has an adjustable headrest and a lumbar support, aiming to offer you optimal comfort. If you connect the ports on the side to the power source with USB cables (included in the package), these 2-cushions will automatically heat up to help relieve the soreness and discomfort of your neck and lower back. Besides, the backrest is covered with breathable mesh, which promotes ventilation and gives you cool feeling. And the seat cushion is also resilient to improve the comfort to the next level. What's more, this chair is fully adjustable and can well fit your sitting habit. The backrest can rock back and forth, and the seat can be adjusted up and down according to your needs. You can also move around freely thanks to the smooth rolling casters. All above are designed to give you a comfortable experience. Color: Black.