Bluetooth 4.0 speaker gives the option to listen to music from mobile phone or any Bluetooth-compatible device. Rubber overmold and feet provide a rugged and durable design to withstand tough jobsite conditions. The compact size provides improved portability and storage. Powered by 12V/20V MAX batteries or AC (alternating current) power adapter. Runtime is up to 15 hours. Includes AC power adapter. Bare tool – battery and charger not included.