●【Bluetooth 5.3】Designed with dual bluetooth 5.3 speakers, provide you with stronger and more stable signals in a variety of complex environments ●【Massage Lumbar】Massage gaming chair features two motors in the waist cushion for lumbar massage function, providing ultimate comfort for gaming or homework ●【Ergonomic Computer Chair】High density memory foam filling and ergonomic curve of the wider backrest fits human anatomy and conforms to your body for a perfect sitting experience ●【Big and Tall Chair】Lager size computer chair equipped with strenthened SGS 3-class cylinder and nylon base ensure the capacity and stablity of the chair, up to 400 lbs. You can assured to enjoy your game time on it ●【Easy to Assemble】Follow the installation instruction and video,you can get a cool gift in just a few steps within 20 minutes