普象-让好设计发光

乐班人体工学可调背靠（一键升降版）依据人体工程学设计，迎合人体脊柱自然曲度，将坐姿状态下脊椎所承受的压力，转移至靠垫的支撑背板上，让用户久坐不累。背托采用双曲抛物面设计，形成环抱式承托结构，给腰背提供良好支撑；一键升降专利结构，可根据需要调整高度（调整区间在0毫米-85毫米）；采用双扭簧支撑结构，最大承重160千克，经历20万次挤压不变形，能承托各个方向的压力，支撑稳定；背托部分共有522个透气孔，保障背部能够舒适依靠。
Leband ergonomic adjustable back cushion 2.0 perfectly fits the natural curve of the human spine. It can transfer the spine pressure to the cushion for greater sitting comfort. The backrest is designed with a double-curved paraboloid surface, forming a circular support structure that provides good support for the lower back. The patented one-click lifting structure can be adjusted within a range of 0-85 mm. Double torsional spring structure enables a maximum load-bearing of 160 kg. Tested by 200,000 extrusions without deformation, it can cushion the pressure with stable support in all directions. The 522 air holes make it breathable and comfortable.