Here is a Bluetooth 5.0 speaker that can withstand full submersion to 33 feet for 30 minutes. The AOMAIS Go has 2 x 15-watt full range drivers, 2 x 10-watt tweeters and two passive radiators to deliver rich sound quality. It has a 10,000mAh rechargeable battery that lasts up to 40 hours on a full charge.
Users have the option to pair two speakers for 80W surround sound experience. The AOMAIS Go is IPX7 rated. It can serve as an emergency power source for your smartphone and other devices too.[where to get it]