Apr 22, 2020 · OontZ Angle Solo – Bluetooth Portable Speaker. 12. OontZ Angle Solo Bluetooth Portable Speaker is nicelypact and delivers quite a good sound quality and sound volume. The wireless range is 100 feet. The water-resistant product connects to Echo Dot, Echo Dot 3rd Gen, Echo, Echo Plus, iPhone 6, iPhone 7, iPhone 8, laptops, and many more.