The R84084 Ridgid Compact Job site Radio is small and portable to take your music wherever you want to go. The radio features drop resistant housing for added durability. A convenient handle is built in to maximize portability. The radio has three different modes AM, FM, and Auxiliary Input. Through the auxiliary input the Ridgid compact radio is compatible with all apple devices and MP3 players. An antenna is mounted on top of the radio. This rubber antenna is flexible for durability and folds for convenience. The compact radio is 100% compatible with all Ridgid 18V NiCd and Li-Ion batteries.