3xWaterproof Electric Head Massager Scalp Massager Hair Growth Manual in English Electric Scalp Massager: This electric scalp massager has four massage heads, each of which has 21 knots. Each node rotates clockwise and counterclockwise to provide a soothing massage, help stimulate hair growth, and deep cleanse it. and pain. 4 modes: The handheld head massager has 4 modes settings. You can choose a low speed for a relaxing sensation, or a speed for a more thorough massage. Waterproof and skin-friendly: wet and dry, IPX7 waterproof, enjoy comfortable scalp massage while bathing. The environmentally friendly soft silicone head prevents hair from pulling or getting tangled and does not harm the skin. The massage head can be removed for easy cleaning. Rechargeable and portable: The electric scalp massager is powered by a lithium-ion battery and does not need to be connected while using it. The massager comes with a charging base and a USB charging cable. It is easy to charge, compact, and portable, so you can massage anywhere, anytime. Wide application: This massager is suitable not only for the head, but also for other parts of the body, such as the neck and back. It is designed to mimic human fingers and provide a relaxing massage. Specification: Material: ABS silicone Size: approx. 13x11x15 cm/5,12x4,33x5,91 inch Power Supply: DC 5V 1A Power: 5W Operating temperature: C-40C Net weight: 409g The package includes: 1-Piece Electric Scalp Massager (3 Pieces)