If you are serious about the portability of your water proof Bluetooth speaker then we suggest you to go for Cambridge Soundworks OontZ Angle 3. This is the most portable waterproof Bluetooth speaker. It is designed for the great sound performance and portability. It can produce premium quality crystal clear sound with its two drivers and there is decent bass produced by it. Its sound is loud so you can easily fill up a large room easily with it. The speaker has ipx5 water resistance which is quite good rating for this kind of speakers. It means that it is splash proof, rain proof and you can also use this speaker in your shower room. The battery time for this is 12 hours which is stunning and we used 75% volume while testing it. Its an ideal speaker for music while using in outdoor wet environment. Its body design is made with dust proof plastic material. There is not any kind of distortion while listening to hard rock music on its full volune.it comes with a built in microphone, that means you can use this portable speaker to attend your calls too. You wont need to reach for your mobile phone while enjoying music in your pool. This speaker produced very good bass for rock and hip hop music. The speaker comes with 3.5mm cable, so you can have advantage of connecting this speaker to a music streaming device having no Bluetooth. Cambridge Soundworks OontZ Angle 3 is a great Bluetooth portable for listening to music by the beach or poolside.