Package lists: 1* scalp massager; 1* user manual; 1* USB cable Features Material: PET Battery capacity: 650mAh Charging voltage/current: DC 5V/1A Rated voltage/current: DC 3.7V/500mA Intensity control: 2 levels Product size (about): 7.0*5.4*5.4"/17.68*13.77*13.77cm Net weight (about):5.7oz/163g SIMULATED FINGER MASSAGE DESIGN & MATERIAL SAFETY:The USB charging supply makes the five massage heads vibrate at the same time, imitating the massage effect of the fingers, which is beneficial to relieve fatigue and make you feel comfortable and relaxed. PROMOTE BLOOD CIRCULATION IN THE HEAD:By soothing vibration, massage the scalp, can promote the blood circulation of the head, activate the vitality of the cells, prevent hair loss, enhance memory, clear the mind, relieve fatigue, and have a better effect on insomnia ,headache. It is recommended to use 5-10 minutes a day to keep you energized all day MORE FUNCTIONS, LESS STRESS:It can be used for head massage, facial massage, neck massage, arm massage, etc. It can be used by the whole family, effectively alleviating the exhaustion of study and work. It is the best gift for parents, children and friends CONVENIENT TO CARRY: Small size, light weight, Hand Held design, you can bring it to home, office and anywhere. You don't have to go to the beauty salon to do a spa, you can enjoy a comfortable head massage at home DEEP SCALP &BODY MASSAGER:Specially designed to stimulate nerve endings on your scalp, temples, and neck. Feel its tingles spread to arouse, soothe, and relax the entire body. EU Responsible Persons information: Name: PI NETWORK SARL Address:38 rue Dunois 75647 Paris CEDEX 13,75013,FR E-mail:friedlichrichter@outlook.com This merchant is committed to only offering products that comply with the General Product Safety Regulation.