HIGH QUALITY MATERIAL: The scalp comb is made of Aluminum alloy, silicone material, which is drop-proof and practical. Scalp brushes with roller ball massage, they can deliver liquid while massaging the scalp to promote blood circulation and essence absorption. FREE HANDS: The scalp applicator brush is suitable for applying a wide range of head serums, nutrients, conditioners, hair oils and other liquids. No need to use your hands to accurately deliver liquid serums to the hair shaft and apply them to the scalp instead of to the hair. Compact and portable: ergonomic design, compact and portable, easy and comfortable to hold, whether you are traveling to work or on a long trip, you can carry it with you for repeated use. Convenient to clean: the parts can be disassembled and washed, easy to clean up after use, does not hide dirt, more secure. SUITABLE FOR VARIOUS LIQUIDS: This Root Comb Applicator is suitable for hair growing liquid, essential oil and other liquids with low viscosity. Liquids with high viscosity such as shampoo may not be to flow from .<br><br>Product name:Electric scalp applicator Capacity liquid tank:6ML Product net weight:90g Charging voltage:DC 5V Rated power:0.25W Rated voltage:3.7V Battery capacity:200mAh Charging time:about 2 hours Working gear:3 gears Colour:B:Black Material:Aluminum alloy, silicone Size:63x50x30mm<br><br>Package Contents: 1 * Electric scalp applicator 1 * data cable<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.