Feature: 1. 360° SURROUNDING: This head massager uses multi node massage, with multiple massage heads distributed 360° around the head in a dot matrix pattern, creating a rhythmic massage. 2. MULTIPLE MODES: This massager has five different massage modes, divided into active, relaxation, beauty, moderate, sleep, strength from strong to weak. And you can adjust the vibration of 10 strength gears, according to the degree of private force and pressure needs. This massager can meet the requirements of different people on the massage force. 3. FUNCTION: This massager is a multi frequency, wave like vibration massage that simulates finger touch. It utilizes a layered release technique to gradually irriate acupoints and meridians, pleasing the scalp and improving bloody circulation. Following a head massage, using it on the face can promote absorption. 4. TMS MASSAGE PRINCIPLE: The principle of this massager is to use multi nodes arranged in a lattice pattern around the user head, vibrating at a specific frequency of 520Hz that is close to the human brainwave, to provide vibration massage to the muscles and acupuncture points of the head, and to scientifically relax the brain. 5. LONG LASTING: This massager has a large capacity lithium battery that can be used for 480 minutes on a single charge. Using it for 15 minutes every day, this massager can last for one month. It offers gentle pressure relief to help with sleep and relaxation, and provides a professional experience for 15 minutes before bedtime. 6. VOICE: This massager is equipped with Bluetooth stereo and a low noise, multi gears noise reduction system, allowing for a comfortable sleep experience. With one button control, it can be used independently by the elderly and children. Specification: Item Type: Multi Dimensional Head Massager Size: Approx. 152 x 152 x 150mm / 5.98 x 5.98 x 5.91in Material: ABS, silicone Battery: Lithium battery Capacity: 1100mAh (built in) Number of Massage Heads in Circumference: 10 Number of Massage Heads in the Top: 4 Strength: 10 gears Modes: 5 types (Active, relaxation, beauty, moderate, sleep) Massage Time: 15 minutes. Package List: 1 x Electric Scalp Massager1 x USB Charging Cable1 x English Manual