Tired of being chained to a wall outlet? Our red light mat features a powerful built-in 10000mAh battery delivering 5–8 full 30-minute sessions per charge – use it on your sofa, bed, office chair, or even in the car. The generous 24" x 12" size with elastic strap wraps comfortably around your back, belly, shoulders, knees, and more. Choose two modes: Regular for daily wellness and skin, or Relaxation (10Hz) to ease tension and promote sleep. Customize with 10/15/20/30 min timers plus auto shut-off. For best results, use 20 min daily.