Features: 1.Mess-Free Application: This electric hair oil applicator ensures precise and easy application of oils and conditioner to the hair roots, delivering nutrient solutions directly to your scalp. Say goodbye to messy hands and keep your entire use process clean. 2.Easy to Grasp and Carry:This electric hair oil applicator is small, lightweight, and easy to carry around, so you can keep your hair healthy and enjoy a comfortable massage experience anytime. The non-slip design makes it easy to hold and apply the oil evenly. 3.Prevents Wastage: Experience precise hair oil application with our electric oil applicator that prevents wastage. The waterproof applicator comes with a crystal-clear measuring scale and 15ML storage, ideal for gifting. Rinse it directly after use for hassle-free maintenance. 4.Straight to the Roots: Our electric scalp massager with red light care band penetrates surface cells, penetrates deep into the hair root, and revives damaged hair follicles; EMS microcurrent and high-frequency vibration, 10,000 vibration massages per minute, deeply soothes the scalp and enhances hair care essential oils absorb. 5.Waterproof and Rechargeable:The electric scalp massager is waterproof and can be rinsed off directly after use. The scalp massager for hair growth is equipped with a type-c charging cable, which can be fully charged in short time. Product Parameters: Color: off-white Material: ABS Built-in battery: 150mAh Rated voltage: 5V Rated power: 1W Charging time: about 1H Red light wavelength: 625nm Waterproof level: IPX5 Net weight: 79g Product size: Height 7CM*Diameter 4.5CM (2.76*1.77inch) Packing size: 11.7*9.5*5.3CM (4.61*3.74*2.09inch) Packing List: Massage comb*1 Type-C charging cable*1 Instruction*1 Precautions 1. After adding liquid, please promptly close the liquid tank cover. When not in use, place it on the comb tooth protective cover. 2. After use, please clean the device's liquid tank promptly. Failure to clean it in time may result in the residual liquid evaporating and crystallizing upon prolonged exposure to air, leading to clogging of the liquid delivery teeth and affecting the liquid dispensing effect. 3. It is prohibited to strike the liquid delivery teeth with hard objects, as deformation of the teeth can affect the liquid dispensing effect or cause irreversible damage. 4. Please store this product in a place away from children. 5. When the red light and vibration significantly weaken, and when the battery is low, it needs to be charged promptly.