Saicoo Outdoor Bluetooth Speaker with IPX7 Waterproof and Swimming Pool Floating Speaker IPX7 Waterproof:Industry-high waterproof and rustproof level. Can be immersed under 1 meter water for 30 minutes. Swims/Floats in Pool Keeping Speaker Above Water Quality Outdoor Sound: Powerful 5W driver with specially-adjusted outdoor sound pumps out loud and clear sound on the go. Widest Wireless Range: 30-meter of wireless range with no obstacles between, about thrice of the range of common Bluetooth speakers. Hands-free Calls: Support hands-free calls like answering, ending, rejecting calls with clear microphone function. Package Contents: Saicoo Outdoor Bluetooth Speaker, USB charging cable, auxiliary cable, 18-month hassle-free warranty, and lifetime technical support.