Features 1??The vibration massage function helps to promote blood circulation, relax and relieve fatigue. 2??Promote the absorption of nutrients and promote hair growth through massage. Hair growth lotion can be injected into the hair follicles so that the hair follicles can completely absorb nutrients and form new regenerated hair follicles, making your hair thick and healthy. 3??Reduce and prevent hair loss, use new technology to promote scalp metabolism and nutrient circulation to hair follicles and deep roots, and improve hair growth. 4??Wireless operation design, USB charging design, fast charging and convenient for use. 5??Color light therapy function, red light, blue light and mixed light waves, has strong cell activation and metabolism enhancement functions, improve hair quality. Specification Condition: Item Type: Electric Scalp Massage Comb Material: ABS Power: 0.8W Power Supply Mode: USB Battery Type: Lithium Battery Battery Capacity: 600mAh Liquid Tank Capacity: 12ml Charging Time: 2~3 Hours Use Time: 2~3 Hours Vibration Speed: 5000~9000r/Min Product Size: Approx. 240 x 60 x 40mm / 9.4 x 2.4 x 1.6in Function Introduction and Usage Color Light Care: 1. After turning on the power switch, press the IR function key to be the color light care function, press the IR key once for blue light, press the IR key twice for red light, press the IR key three times for mixed light waves, and press the IR button four times to turn off the color light care function, the corresponding mode can be selected according to nursing needs. 2. In the color light mode, the vibration massage function can be selected for use, and the nursing effect is better. Positive/Negative Ions: 1. After turning on the power switch, press the (1ON+) or (ION-) key to select the positive or negative ion function, press once for L (low) level, press twice for M (middle) level, and press three times for H (high) level, press four times to turn off the ion function. 2. Lead-in of negative ions, deep maintenance and care; export of positive ions, clean the deep dirt of hair roots. Using the principle of electron dissociation, the electronic distribution state of the human body is changed, so that the electric ions on the surface of the skin and the charge of the comb teeth repel each other, and the hair growth/hair treatment liquid is directly carried into the deep scalp by the movement of ions, which helps absorption. 3. In ion mode, you can choose to use vibration massage, color light care and other functions for head care. (Reminder: The positive and negative ion functions cannot work at the same time). Vibration Massage: 1. After turning on the power switch, press the VIB function key to be the vibration massage function, press the VIB key once for L (low) level, press the VIB key twice for M (middle) level, and press the VIB key three times for H (high) level, press VIB key four times to turn off the massage function. 2. In the vibration massage mode, it can be matched with the color light function, adjust the appropriate strength and the body feel effect is more comfortable. Disassembly and Assembly of Water Tank: 1. Independent water tank design, easy to disassemble, clean, and replace hair growth/hair care liquid 2. Rolling ball massage water output method, when the ball touches the scalp, the liquid will flow out evenly to the hair roots. Water Tank Filling and Tips: 1. Open the lid of the water tank upwards, use a straw or other container (preferably with a scale display) to take a small amount of the care solution that needs to be added, and slowly add it to the water tank. After adding the care solution, close and tighten the water tank cover, and the liquid adding is complete. 2. The protective cover can be used during use, and the water tank can be cleaned as appropriate. Please keep the water tank dry when storing. Function Instructions: 1.Press the power button to turn on/off, the button light will be on after turning on, and it will be off after turning off. 2. Four nursing modes and three high and low gears can be selected arbitrarily after booting up (the default is low after each function is turned on). After the function is turned on, the button indicator will turn on, and the indicator will turn off when the function is turned off; multiple modes can work at the same time (except for positive and negative ion functions). 4. The power indicator flashes continuously during use or after power on, indicating that the battery is low, please charge it as soon as possible; the red indicator light is on in the charging state, and the green indicator light is on when it is full. 5. When you need to use hair tonic or other hair conditioner, please take out the water tank, open the water tank cover, add an appropriate amount of liquid, close the water tank cover tightly, and put it into the body to cooperate with the function (be careful not to add too much when adding liquid to avoid overflow and affect cleaning). A