Heat Therapy Adjustable levels of heat allow for the local region of muscles to relax so the benefits of cupping are maximized. Easily adjust your preferred level of heat up to 122°F for a soothing session.Suction Power Get 1.5 hours on a single charge. Cupping uses suction to draw blood to or away from specific areas of your body. This leads to a remarkable enhancement in blood circulation to the targeted region, expediting the recovery process while simultaneously relieving muscle knots and acute pain through massage.12 Suctions Strengths - Fully Adjustable(1-4) Relaxes surface skin(5-8) Mid Range Suction (9-12) Strong Suction - Deep Massage.