... 3in1 heart-shaped earphone with FM radio for PSP3000 and MP3 Function: For FM radio,For PM3,For PSP Combined ... no battery support. It can also used as FM radio, you can listen to the FM, which the ... shoulder strap, you just connect the buckle to the radio and PSP respectively, then the console can hang on ... button" to FM, then you can listen to FM radio. Insert it in the MP3and PSP socket ,turn the" ...