5 in 1 Acupuncture Pen Just press the pen onto the affected area, and it will release electrical pulses to stimulate the meridians and acupoints in your body to achieve healing and pain relief effects. Effective Pain Relief Massage Pen It has no side effect to treat chronic pain. Great for sports injuries, and muscle, joint and back pains and tight muscles in other parts of bodyElectric Dab Pen with Nine Intensity ModeYou can adjust to the appropriate level of energy (0 - weakest and 9 - strongest) depending on the different treatment needs, when you feel a strong pulse by tilting the acupuncture pen around your body, that means you find the acupuncture points.Accupuncture Pens Trigger Point Compact And PortableCompact and lightweight, just about 7.5 inches long, so you can easily put it in your pocket, handbag, backpack or pouch if you're traveling or perhaps just going to work for a long day and need relief from your painUSB Rechargeable Electric Massage Pen-- Built-in rechargeable 450 mAh Li-ion battery, no need to replace battery. Can work continuously for 3-4 hours when fully charged. Ergonomic handle design. Safe and effective, with no side effects. Great gift for families and friends.