Listen to your favorite music on a PSP and PSPgo or MP3 player with these high quality stereo earphones. The innovative retractable design cuts down on travel bulk and ensures the portability of your MP3 player without sacrificing functionality. No more tangled cable mess. Fits comfortable in your pocket, purse or backpack. Excellent sound quality in all ranges. Length: 79cm1cm Maximum Power Input: 3 mW Frequency Response: 20 Hz to 20KHz Connector: 3.5mm diameter stereo plug
