Feature: 1. It is very easy to operate, just press its power button to turn on vibration. 2. Remove muscle tension and tiredness. Use it on other body parts too. It also relieve spasms, body aches and strains. 3. The ion micro‑vibration probe replaces the fingers with a massage head to achieve a better massage effect. 4. Have a professional level head massage at home without anyone invading your individual space. 5. It is small in size and easy to carry. It can be used for head SPA at any time, without space restriction, and can be used anywhere. Specification: Item Type: Scalp Massager Material: ABS+COPP+POM Color: White Product Size: Approx.21.5x7.5cm/8.5x3in Weight: Approx.170g/6oz Function: Massage head, whole body, etc Power Supply: USB plug-in use or AAAx2 (battery not included) How to Use 1. Comb from the forehead to the temples. Slide back and forth along the origin. 2. Comb from around the face to the top of the head. 3. Comb from the temples to the top of the head. Carefully care again. 4. Comb from the neck to the back of the head and slide diagonally.. Package List: 1 x Scalp Massager(Battery Not Included)1 x Data Cable Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.