Space A40-Reduce Noise By Up to 98%: Space A40 has an upgraded noise cancelling system to block out a wider range of distracting noises. So wherever you go, you'll always have the space you need to focus. Automatically Tailored Noise Cancelling: Space A40 detects external noises and automatically selects a suitable level of noise cancelling for your surroundings. Enjoy your personal space whether you're indoors, outdoors, commuting, or on a flight. Select 4 Go-IP67 Protection and Floats: Waterproof speaker designed to withstand harsh outdoor conditions and can even float. The Speaker can even be immersed in up to 3.3 ft deep for 30 minutes, making it ideal for a variety of activities. Whether you're enjoying a shower, camping in the wilderness, having a beach picnic, or sailing on a lake, this speaker ensures your favorite tunes are always with you. 20-Hour Playback: Enjoy up to 20 hours of non-stop music on a single charge with this portable Bluetooth speaker, perfect for showers, extended outdoor adventures, all-day gatherings, hiking through the mountains, or lounging by the pool. Outdoor-Ready and Portable: The lightweight design and included strap make this mini speaker portable enough to carry anywhere, whether you're showering, camping, hiking, or biking.