IP67 is a typical ranking today indicating extremely resistant and doubtless rugged audio system appropriate for outside of doors audio system. You could enjoy Hi-Fi stereo sound quality irrespective of where you go as long when you continue to be within the Bluetooth range. The tiny speaker is lightweight, https://www.bluetoothspeaker.top/audio-system-sound-big-bass-music-party-speaker-hifi-box-wireless-bluetooth-speaker-with-led/