Areas: Scalp [Head Care Recreated with Professional Salon Techniques in 2024] Utilizing professional 3D technology, this device is designed to fit comfortably in your palm. It features four rotating, soft silicone heads, each with 19 independent, tapered tentacles. With a total of 76 conical tentacles, it perfectly mimics professional techniques, recreating salon-level expertise that surpasses the pros. [Wet & Dry Use, 10-Minute Automatic Timer] The main unit is waterproof, allowing use in the shower, and can be used in both dry and wet conditions. The silicone tentacles are also removable and washable. This product has a default 10-minute automatic timer, so you don't have to worry about overusing it. (Note: It is water-repellent, not completely waterproof. The main unit has a USB charging port, so do not submerge it in water!) [4 Modes, 2 Speeds] It has two rotation speeds. You can choose between high and low speeds. There are also 4 modes: low-speed clockwise, high-speed clockwise, high-speed counterclockwise, and low-speed counterclockwise. Each short press of the button cycles through the modes. [How to Use] Long-press the power switch for 3-5 seconds to turn on the device. After turning it on, click the button once to adjust the rotation direction and speed. The sequence is: Power On (long press 3-5 seconds) → Low-speed clockwise (default mode) → High-speed clockwise (one press) → High-speed counterclockwise (one press) → Low-speed counterclockwise (one press) → Power Off (long press 3-5 seconds). (Please note: The product may lose power during transportation, so please charge it before use after receiving it.) [Can Be Used on the Whole Body, Also for Pets] In addition to the scalp, it can be used on the shoulders, lower back, and other parts of the body, making it perfect as a gift for family and friends. Of course, you can also buy it for your pet partner, why not enjoy scalp care together!