Ultimate Ears 984-000839 Wonderboom 2 offers super-portable bluetooth speaker that is up for any adventure. This Wonderboom 2 speaker will provide 13 hours of uninterrupted performance, fulfilling your listening needs from morning to night. It is a compact but capable bluetooth speaker from the pool to dusty plains. This Wonderboom 2 is delivers crisp, bassy sound that does justice to your favourite songs. With the outdoor boost mode, you can place confidence in the speaker to provide loud, 360° sound even when outside. Ultimate Ears 984-000839 has Ultimate Ears/UE button on the top lets you easily play, pause, or skip tracks without having to look at the attached device. Ultimate Ears 984-001550 speaker IP67 rating means it will carry on even if submerged in water or exposed to heavy dust. It can also withstand drops onto hard surfaces (up to 1.5m), and the built-in hanging loop allows you to comfortably take it with you when cycling or hiking. Ultimate Ears 984-001550 ideal for picnics in the park to binge-watching your favorite shows and it is completely waterproof and dustproof making it suitable for showers, beaches, and rainy days. This bluetooth speaker has high-performance 2-tone knit fabrics that hit just the right note with a range of stunning colors and you can wirelessly pair two WONDERBOOM 2 speakers for party louder and fully immerse yourself and friends in wireless stereo sound and it is compatible with smartphones, tablets, and bluetooth devices. Ultimate Ears 984-001550 Wonderboom 2 is drop proof tested from up to five feet and sports a hanging loop on top so it can easily attach to any bag, bicycle, backpack giving you endless options to carry the speaker with ease. Ultimate Ears 984-00083 carries dimension of 104 mm height, 95.3 mm diameter and 420g weight. Specifications: Waterproof - IP67 rated, maximum sound level: 86 dB (standard mode) and 87 dB (outdoor boost mode) Drivers: two passive radiators and two full-range driver, recharge time: 2.6 hrs, connect up to two source devices at the same time, wirelessly play (stream) to 2 Wonderboom 2 from one source, for audio playback: smartphones, tablets and other devices that support Bluetooth and Bluetooth smart wireless audio profile.