Description: Oil Applicator: There is a 6ml chamber in the middle of the cordless electric massager, which can help you apply essential oil evenly and easily while massaging your scalpExperience Shiatsu: The massage comb replicates the massage of human hands, enhancing absorption through an invigorating 360 kneading massage, doubling the effect of essential oils or any treatmentGood companion on the go: The shiatsu hair scalp massager is only the size of a bottle of water and can be easily put into your bagEasy to clean: The waterproof design of the electric scalp massage comb can massage and wash your hair in the shower, while also cleaning dandruff and washing away oil residuePortable:Lightweight and portable, comfortable to hold, portable massager suitable for home use or travel, allowing you to enjoy a professional hair care experience Specification: Material: Silicone Size Chart: 21cmx8.5cmx5.7cm/8.27inchx3.35inchx2.24inch Package Includes: 1electric Scalp Massager1 USB Cable1 Storage Bag1 Instruction Manual Note: Please allow slightly errors 1-2cm differences due to manual measurement. Customer satisfaction is our primary concern. If the product is somehow cracked or broken during shipping, please feel free to contact us. We will try our best to give you a satisfactory solution.