MEElectronics M6-VL-MEE Valentine's Day Special Edition M6 Stylish Sound-Isolating Sports In-Ear Premium Headphones (Black/Pink) (Discontinued by Manufacturer) Works with iPod, iPhone, most blackberry phones, MP3 players, portable media players, CD players, DVD players, computers, laptops, and netbooks Accessories: 6 sets of eartips in clear and black (small/medium/large/triple-flange), 2 soft pouches for storage Driver: 9mm high performance drivers with neodymium magnets Frequency Response: 20Hz  20KHz Sensitivity: 98 dB (1mW @ 1KHz)