Features: 1--Ergonomic design, easy to set up, easy to use. 7-- Non-invasive, convenient and fast. Widely used in various soft tissue treatments. 3. Effect on the body parts that have long been affected by pain to solve the problem of muscle pain. 4--Improve cells, increase ion channel activity, promote cell division, stimulate cytokines to improve permeability. 5--Improve blood circulation, increase growth factors and promote cell mitosis. 6--Promotes calcified fibroblasts, promotes collagen synthesis and massage. Specifications: Item Type:Pain Relief Massager Material: ABS Voltage: AC100V-AC240V. Frequency: 50-60HZ Package list: 1 x host. 1 x handle. 1 x power cable.