This massager is made of PU leather and food grade silicone material, features bionic kneading to simulate human palm movement for deep neck shoulder and trapezius muscle relaxation. It offers a wireless design with a 2000mAh built in battery that supports up to 3 hours of use after a 3 hour charge. Equipped with 10 minute smart timing for safe use, it effectively relieves muscle tension and soreness. The soft skin friendly material fits body curves perfectly, providing comfortable and convenient massage at home or on the go.