Best Choice Products Executive Ergonomic Heated Vibrating Computer Office Massage Chair Black Office chair that has the capability of performing vibrating massages to relax your body when needed Programmed with three different massages modes whose intensity can be adjusted to one of the three levels Targets four different areas in the body including: neck, upper back, lower back, and thighs Contains the capability to warm up the seat in case its cold and to set a timer of up to 20 min Overall dimensions: 26.5(L) x 24(W) x 43(H); the seat height and backrest can both be adjusted