Feature: Promotes blood flow: Stimulating muscle contractions,the device also aids blood cell flow and reactivates cell renewal,improving blood circulation. 6 kinds of massage techniques: Gua Sha,Tuina,Shiatsu,Kneading,Kneading,Massage.Helps you relax local muscles,accelerates blood circulation and lymphatic drainage,and helps to completely relax your body! Two styles: battery powered (battery needs to bring 2 AAA batteries) and USB charging options.It is small and lightweight,making it easy to carry and store.The temperature is suitable and can be used on the skin for a long time. Wide application: It is safe for any skin type and can be widely used on different body parts such as breasts,neck,back,waist,buttocks,legs,etc. PERFECT GIFT: This amazing cervical massager is very effective in improving muscle fatigue and will become your personal massage therapist.This is a great gift for yourself,family and friends. Specification: Material: ABS + electronic components Package List: 1*EMS slimming massager