Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker with Big Bass and 360-Degree Sound, Dustproof Floating Speaker with 40 m (131ft) Range REFURBISHED no more rolling and prevent

no more rolling and prevent loss and more portable also it has a flat surface to prevent it from falling

The Sennheiser HD 599 Special Edition pushes performance barriers

The advanced anti-wind noise algorithm ensures your calls are protected from disruptions even when the weather isn’t on your side

It is IP55 rated against damage from water and dust

With karaoke EQ tuning and the built-in lightshow

Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker with Big Bass and 360-Degree Sound, Dustproof Floating Speaker with 40 m (131ft) Range REFURBISHED no more rolling and preventFeatures Surprisingly Bigger 360 Degree Sound: The WONDERBOOM 4 portable waterproof Bluetooth speaker features bigger 360 degree sound in a petite package; boosted sound for up to 14 hours of playtime Outdoor Boost and Podcast Mode: Engineered for full stereo sound; tap the Outdoor Boost button for outdoor environments; use the new Podcast Mode to make vocals sound rich and clear 14 Hours of Boom: With a battery that lasts throughout the day, this