The M12 Wireless Jobsite Speaker for streaming music from any portable Bluetooth device for up to 9 meters. It is powered by a M12 REDLITHIUM battery that delivers long runtime. Premium speaker with integrated bass port ensures crisp and clear sound quality. Heavy-duty construction is tested to overcome drops, water and debris. 2.1 Amps USB port is provided to charge phones, media players and tablets. 3.5mm AUX in port for wired playback.