Brand YK Model YK-06 Color Grey white Material ABS Quantity 1 Functions Brain relax massager Power Supply 3 x AAA batteries (included) Power Plug 2-Flat-Pin Plug Features The product of many points on the head massage and acupuncture points for each organ or physical condition with some closely related; To achieve the promotion of blood circulation improve metabolism relieve pain and pressure enhance memory improve learning efficiency improves sleep quality enhance human resistance to disease and other effects; Meanwhile brain easily massage in a relaxed way so you get the most comfortable massage pleasure and healthy fun; Adjustable size for the most comfortable wear; Front-end device with elastic panel fixed card depending on the size of the first type for targeted massage; Massage intensity can be adjusted (1~25-mode); Back-end design with slow release easy to remove massage acupuncture points with senior; Medical latex soft; Outstanding health effects; Using the ways and means: It will be directly set in the head massage acupressure points on the number of in front of both the end of that elastic adjustment in the back of the head that is toward a front hood no hood in the head; Then move the switch adjust massage intensity. According to their needs turn off the power at any time after use directly to the head massager can be removed; Whether you are at the office or home or traveling can at any time massage and relieve fatigue aches headache work fatigue improve sleep improve memory relieve brain fatigue and quality of work provided significant results so you conduct their mind more quickly work efficient through the maintenance of the brain so your undertakings is a gift and white-collar workers and students the best partner Packing List 1 x Massager 1 x USB cable (145cm) 1 x AC power charger adapter (US plug / 100~240V) 3 x AAA batteries