MagSwap TM Technology Full-Metal 4D Armrests with MagSwap AD+ Technology, clap on armrests tops can be swap to Andaseat Magnetic Extend muti-function accessory for writing board, bottle holder etc. Armrests width can be adapted to your desired positions. Magnetic Head Pillow—Strap off, clap on and move up and down. Top-grade Cooling Gel Memory Foam not only help reduce hot temperatures but to provide a supple, supportive cushion especially to areas that are often under-supported like the neck and back head side. MagClapAD+ Assembling-Easy Assembling System Get rid of screws assembling difficulties of traditional gaming chair, Anda Seat MagClapAD+ Assembling system save much time and efforts for user and seller. Backrest alacritous slide to connect seat base. Magnetic side covers clap on both sides, all finish in seconds. 4-Way Adaptive Lumbar Support— New sophisticated built-in lumbar support system. In and out, up and down, can be adapted, to provide the right amount of firmness or pressure to your back in your desired posture. Get free from the pillows & strips Flatter Seat Base— Reshaped for optimal ergonomic support. Flatter seat wings ensure commodious seat base. Part of that means you don't get the somewhat restrictive racing seat that clamps around your thighs and instead offers a leveled seat base. It's a much more comfortable experience whether or not you're a larger human and even allows you to sit cross-legged. The best ergonomic and Magnetic innovation gaming chair of Anda Seat, now all in Kaiser 3. Reimagines the traditional gaming chair with research-backed built-in 4-way adaptive lumbar support, pioneer expeditious and effortless assembling system, magnetic 4D armrests for extended accessory, magnetic neck pillow for more restful postures etc.