New And High Quality 1. Can be used to massage different parts such as neck, shoulder, waist, back, leg, etc. 2. The instrument simulates the current signal of the human fiber to make the acupuncture point contract. Different current signals simulate the massage effects of kneading, squeezing, thumping, and massage. 3. Pre-set modes offer you hammering, kneading, shiatsu and more choices to help relieve pain associated with aching and fatigue muscles in the shoulder, low back, knee from exercise, normal household or work activities.6 mode can be adjusted, you can regulate according to needs. 4. One-click start and shut down, simple operation, light weight and portable, you can enjoy massage at anytime anywhere. 5. High-definition large-screen LCD display, the elderly can see clearly at night. Power Supply Mode: 1:Batteries: 3 x AAA Batteries(Not Included) 2:Android USB Size:13x6cm Packageinclude: 1 x Main Machine 4 x Pairs Patches 2 x One drag four buckle cable 1 x Manual 1 x USB Android cable Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)