The iFrogz Tempo Blast wireless Bluetooth speaker delivers big sound from a water- and dust-resistant design. The Tempo Blast offers a massive liberating 30-foot reception range so you can set it in the best place for your party and keep your music player with you while you mingle. With its water- and dust-resistant design, you can play at the beach, the pool, the park, or anywhere your adventures take you. Its lithium polymer battery powers tunes for up to five hours, or plugin a 3.5mm cable for an easy wired option. A built-in microphone turns the Tempo Blast into a simple hands-free conference call center, plus, when you end the call your music keeps going right where you left off.