The BlueBox from Sangean is an ultrarugged digital tuning radio that s ideal for any jobsite the beach the lake or anywhere you d like to take it without worrying about getting it wet. It s also dust- and shock-resistant. You can connect your favorite streaming device via Bluetooth. In addition the BlueBox can be powered with 4 rechargeable C batteries (not included) that can be charged inside the radio with its built in battery charger. Or it can be powered with alkaline batteries or the supplied power cord.