Includes: One Sonic Sponge, USB rechargeable lithium ion battery, USB cord, Instruction manual. The waterproof Sonic Sponge provides a deep clean for smoother, softer, and healthier skin. One side of the sponge has thin, silicone bristles, perfect for gently cleansing your face, while the second side with thicker bristles is great for deeper cleansing and exfoliating of your body. Use with your favorite skincare lotions, cleansers and serums. Your Skin's New Best Friend: 2 speed settings | Soft-touch silicone material | Thin silicone bristles on one side for facial cleansing | Thick silicone bristles on the other side for body cleansing and exfoliating | Includes USB rechargeable lithium ion battery and charging cord | Battery charge lasts approximately 100 minutes of constant use | Waterproof (IPX6). The rechargeable, waterproof Sonic Sponge is the perfect cleansing device for your face and body. Made from silicone material, the Sonic Sponge features thin bristles on one side for facial cleansing, and thicker bristles on the second side for deeper cleansing and exfoliation of your body. Pop Sonic Sponge | The Ultimate Face & Body Cleanser - Grey.