Ready to turn up the volume on your next adventure? The Ultimate Ears Wonderboom 4 (6234144) is your go-to portable Bluetooth speaker for epic sound wherever you roam. With a wireless range of up to 40 metres you've got the freedom to move and groove without being tied down. And when the party's in full swing this little speaker keeps going strong with up to 14 hours of battery life. Plus with its IP67 rating it's built to withstand a splash or two. Want to really pump up the jams? Pair two Wonderboom 4 speakers for an immersive stereo experience that'll have everyone dancing. So whether you're hitting the beach camping under the stars or just chilling in your backyard the Wonderboom 4 is ready to be your ultimate sound companion. Get yours in sleek black and enjoy the peace of mind that comes with a 1-year manufacturer's warranty. Part number: 6234144.