Features： 1、4 Heads: Dome shaped head for facial muscle recovery and health care, node type head for partial body pain, spherical head for quick pain relief, and scraping head for point pressure and blood circulation. 2、Relieve Pain: Electronic acupuncture massage pen is ideal for sports injuries, muscle, joint and back pain, also can be used for tight muscles in other parts. 3、Electrical Pulses: Simply press the pen on the affected area and it will release electrical pulses to stimulate meridians and acupoints in your body, achieving healing and pain relief effect. 4、Widely Use: Acupuncture massage pen help to relieve joint pain, back pain, fibromyalgia, muscle tension, acute and chronic physical pain, arthritis, rheumatism, osteoporosis, sciatica, spondylitis. 5、Portable Size: Electric acupuncture massage pen is small in size and light in weight, which is easy to carry and helps relieve fatigue, relax muscles, and improve blood circulation. Specification： Item Type: Meridians Massage Pen Material: ABS Power Supply: Lithium Battery (Included) Battery Capacity: 180mAh Strength: 9 gears Application: Great for sports injuries, muscle, joint and back pain, and tight muscles in other parts. Package List： 1 x Meridians Pen(With Massage Head) 1 x Electrode Line 2 x Electrode Patches 1 x USB Charging Cable 1 x Instruction 3 x Massage Heads