The Cross Leg Office Chair with Massage Lumbar Support is unbelievably comfortable, providing soothing and excellent support for your lower back.USB interface, 55-inch cord length, easy to use.USB interface, 55-inch cord length, easy to use, can be used as a computer desk chair or as a lounge chair. The seat cushion of this spacious criss-cross office chair features a dual-layer construction (support + comfort layers) with high-density foam for excellent support and a soft top layer of foam for skin-friendly comfort and enhanced cushioning. This 360° swivel vanity chair has a wider seat surface, measuring 24*20in, providing you with more space and comfort. If you like to maintain a proper sitting posture with occasional cross-legged sitting, then it will be your best choice. This beige cross chair with wheels has a metal frame with pneumatic lift cylinders, BIFMA and SGS certified, and is sturdy and reliable with a weight capacity of 300lbs. The wheels are smooth and allow for freedom of movement. Our armless office chair is made of corduroy fabric, comfortable to the touch, with a sophisticated, simple and classic style, suitable for many occasions. The height of the criss-cross chair with wheels can be adjusted between 31.9 inches and 35.8 inches to accommodate desks of varying heights. The backrest angle tilts between 105° and 120°, so you can make subsequent adjustments as needed to find the optimal angle for work or relaxation. In addition, you can adjust the tilt tension using the round black knob underneath the seat. This spacious cross-legged chair is designed to be easy to assemble, with accessories and instructions at a glance, so you can quickly and easily take advantage of it. In just 20 minutes, you can easily assemble it at your office or home. Note: To avoid overheating the motor, it is recommended that you stop the massage function for 10 minutes after half an hour of use.