Bionic FlexFit Backrest: Precision-Tailored Comfort, Perfectly Aligned for Your Spine. Dynamic Support: Adjusts instantly as you move, from headrest to armrests, for continuous and synchronized comfort. OmniStretch Massage: Lean back, decompress, and recharge with built-in spinal massage. Recline Your Way, 105° to 160°: Adjust from 105° to 160° with 4 positions, perfect for work, gaming, or relaxation. Dynamic Screen Alignment: The headrest and backrest tilt differentially to keep your gaze steady, while sliding armrests (up to 100mm) adjust to support you—whether you’re working, gaming, or relaxing. Built with Battery: 2200mAh battery lasts up to 30 days with daily use, or a year with minimal adjustments.