Negative ion comb hair massage comb portable electric anti-static comb comb hair comb, made of high quality ABS and nylon material, durable, massage function can promote blood circulation, relieve fatigue, strengthen the brain, develop intelligence, improve sleep quality. Long-term use can effectively reduce hair loss and prevent static electricity. The portable design solves the troubles of travel and enjoys the massage experience anytime and anywhere, suitable for home, office, travel and other places. This product needs to have its own dry battery, the product itself does not have a battery. Specification: 23*10*10 Gross Weight: 168g Color:as the picture show Note: 1.Please allow 0-1cm errors due to manual measurement. 2.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. 3.If you have any questions about the product, please contact us, we will patiently answer for you! Specifications: Sophisticated and compact, easy to carry Prevent static electricity Preferred material Durable Package Included: 1* comb