【Ergonomic Design】-This is the best office chair for lower back pain, designed ergonomically with thick cushioned seats that allow you to sit longer without feeling tired. This computer chair features ergonomic line design, cushioned armrests, streamlined support backrests, and cushioned seats, providing additional comfort for long hours of work and play. 【Massager Office Chair】- This massage office chair has 6 massage points and 8 vibration modes to choose from. The vibration of…