Enjoy rich, 360-degree sound and big bass with the Ultimate Ears Wonderboom 4. Outdoor Boost and Podcast Mode keep music and voices clear in noisy settings, and you can pair up to two Wonderboom 4 speakers for larger sound. The IP67-rated, floatable design is water- and dust-proof and includes an attached bungee loop for easy carrying. Get up to 14 hours of battery life, Bluetooth wireless connectivity (Bluetooth 4.0/5.0/5.2) with a 40 m range, and a compact 0.62 kg body (11.8 × 13.2 × 11.5 cm). Includes Wonderboom 4, attached bungee, USB cable, and quick start guide.