The UE Wonderboom 3 portable Bluetooth speaker with powerful bass and 360-degree sound is the Ultimate Ears WONDERBOOM 3. It boasts a 14-hour battery life and an IP67 designation for dust and water resistance. It is even water-resistant for 30 minutes, making it ideal for use in pools or at the beach. The speaker has a wireless range of up to 131 feet and is also drop-proof.