Acupuncture Pen Electronic Pulse Low-Frequency Massager Massage Pen For muscle pain, stiff shoulders, etc. Pulses penetrate the body's acupoints without needles, alternating between deep and shallow pulse massage. 9-level intensity adjustment, 3 types of heads. Easy operation, safe and effective, portable. Acupuncture pens are a proven method for relieving chronic pain such as arthritis and fibromyalgia. You may feel electricity in the handle, but this is not a malfunction. [Product Contents] Main unit Flat oval head Spherical head Double head The box in the image is not included. Instructions are not included. [Specifications] Body size: 20.7cm x 4cm Weight: 86g Power supply: 1 AA battery (sold separately, please prepare) Material: ABS resin The box in the image is not included. Please purchase with your understanding. Massager Acupuncture Acupuncture and moxibustion Acupuncture pen Massage pen Low frequency Stiff shoulders Muscle pain Arthritis Neck stiffness Acupoints Headache Health