3 W waterproof wireless speaker with dynamic sound quality and amplifier. IPX5 waterproof, can resist high pressure of water, cannot be submerged. Silicone non skid base to prevent scratches and keep from moving around. Siliconen control buttons include play, volume control, answer call, or hang up. Nylon loop on side to attach to bags, boats, and more.Playing time 4 hours. Charging time 2 hours. Connection range up to 33 feet. Includes USB Type C charging cable. FCC certified.Item Size: 6 1/4 x 2 7/8 x 1 3/4Imprint Area: 2 W x 0.5 H