Having trouble finding a comfortable office chair that can last all day? Enjoy this massage office chair in your study or home office and enjoy personal massage spa with back and seat massage. Featuring an ergonomic line design with thick padding and breathable fabric, it provides extra comfort for long-period working. You can adjust the seat height from 49 to 59 cm to get a better sitting experience. While working, you can quickly move with its 360 ° swivel wheels to have a quick chatting.Features:Ergonomic line design with thick padded seat and bulging headrest in faux leather, provides extra comfort- The stylish diamond pattern is an eye-catching design4 back and 2 seat point vibration in the lumbar with 5 massage modes, offers you a personal massage- Side pocket is used to put the controller- Seat height can be adjusted from 45 to 55 cm to match your desk or your sitting habit- High-end gas lift and swivel wheel, make adjusting height and moving smoothly- Rocking function is beneficial to take a breakAssembly requiredSpecification:Color: BlackMaterial: PU leather, Nylon, Sponge- Max Load: 136 kg- Overall Dimension: 70W x 76.5D x 114–124H cm- Seat Dimension: 55.5W x 55D x 49–59H cm- Armrest Height(to Seat): 19.5 cm- Back Height: 65 cmCord Length: 1.8 m- Voltage: 100–240V/50–60HZ(Input), 15V(Output)- Item Label: 921–362V70