An office chair is a type of chair specifically designed for use at a desk in an office. It typically features several ergonomic adjustments to support comfort and productivity during extended periods of sitting. Common characteristics include:

Adjustable height: Most office chairs have a lever to raise or lower the seat for proper alignment with a desk.

Swivel base: The chair can rotate, allowing users to easily turn in different directions without needing to move the whole chair.

Casters/wheels: These enable smooth movement across floors, adding mobility.

Lumbar support: Many chairs offer contoured support for the lower back, which helps reduce strain.

Armrests: Adjustable or fixed armrests provide additional support for the arms and shoulders.

Tilt mechanism: Some chairs allow users to recline or adjust the tilt angle to their preference.

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