High Max SPL �?At 132dB, this fifteen-inch loudspeaker can deliver high volume amounts making it an desirable choice for larger gigs. Any dust, Grime or prints on the outside may be scrubbed off with a moist fabric, and also the uncovered USB-C and 3.5mm input port elements are waterproofed. https://www.bluetoothspeaker.top/adults-and-kids-toy-led-bluetooth-speaker-with-wireless-microphone/