Acupressure pen, acupressure stick, acupuncture pen Compatible with ears, double probe Compatible with acupuncture and acupressure, portable acupuncture pen Compatible with face and arms. Quality material: Made of stainless steel which is not easy to damage and is very durable, so that they can be used for a long time, giving you a comfortable feeling of use. Suitable size: The stainless steel probe is 2mm and 5mm, with a designed small sensor head that can locate the sensitive acupuncture point more accurately. Humanized design: Double-head design, both ends are very smooth and will not hurt your skin. There are non-slip strips on the pen holder that will not slip due to your hands sweating. Simple and safe to use: Easy to press or push, it will not damage the skin during massage. Lightweight and compact, suitable Compatible with use at home and while traveling. Muscle relaxation: Deeply massage trigger points Compatible with relieving muscle knots and pain in the back, neck, shoulders and other parts, relaxing the muscles. Conforms to ergonomic design, easy to hold and use, simple to operate, suitable Compatible with all people and athletes suffering from muscle pain and fatigue.