"Three Massage Heads: The Electric Massage Pen comes with three massage heads - dome, node and ball. The dome massage head rejuvenates the facial muscles and leaves the face relaxed and white. The node massage head is designed for quick relief Pain ballmassage heads act on immobilized and contracted body muscles. Nine Power Levels: The device contains nine different power levels that can be used depending on the desired muscle therapy. Massage relaxes stiff muscles for quick pain relief and muscle relaxation. Automatic detection of meridian energy points, adjustablesensitivity, intensity and frequency control for personalized treatment. EFFECTIVE FOR CHRONIC PAIN RELIEF: With regular use of this electronic back massager, you will be able to reduce pain, improve mood, relax, improve skin condition and prevent premature aging. Incorporating a modern high quality massage pen for good health.Simple operation, easy to carry, safe and effective, no side effects. MULTI-FUNCTIONAL APPLICATION: Electric Acupuncture Pen Trigger Point Massager is a proven method of treating pain, especially chronic diseases such as arthritis and fibromyalgia. The effectiveness of the treatment is supported by both Chinese and Westernmedicine. The device works by stimulating the muscles of the face and body to make you look youthful and refreshed. Portable: It is a portable handheld device that is very easy to use. A massage pen is the best way to heal muscle pain. List style: color box [three heads without oil] charging model Shipment Quantity: 1 piece Package Contents: Only the above package content, other products are not included. Size: 18.3*2.5cm (Reminder: The size is measured manually, please allow 1-2cm measurement error) Color: silver (Due to different monitors and lighting effects, the actual color of the product may be slightly different from the picture color.