Ergonomic computer chair

viktor office chair, mesh desk chair, ergonomic computer chair, 360° swivel chair, adjustable lumbar support, with headrest, lockable tilt angle up to 120°, black , Adjusting the tilt angle: To adjust the tilt angle, you must first raise the backrest of the chair to an upright position (90°). Then pull the lever on the side of the seat outward. You can now recline the chair between 90° and 120°. Push the lever inward to lock the backrest in the desired position. Adjusting the resistance: Turn the round screw knob on the bottom of the chair to adjust the tilt angle resistance. Turn the knob clockwise to decrease the resistance; turn the knob clockwise to decrease the resistance. Turn the handle counterclockwise to increase the resistance. Product details: Colour: Black Material: Plastic, foam, nylon, steel Dimensions: Height: 116-126 cm Width & Depth: 65 x 53 cm Seat Height (from floor): 44-54 cm Seat Dimensions: 52 x 50 cm Backrest Height & Width: 72 x 45 cm Armrest Height (from seat): 20-30 cm Headrest Dimensions: 43 x 20 cm Weight: 15.4 kg Max. Static load capacity: 120 kg Scope of delivery: 1 x mesh office chair, 1 x Allen key, 1 x accessories, 1 x manual (DE, EN, IT, FR, ES). Comments from viktor: Do not expose the product to direct sunlight for long periods of time. Keep the product away from sharp and pointed objects to avoid damaging the surface.,