SoundMAGIC ES10 Noise Isolating In-Ear Headphones, 15HZ-22KHZ Frequency Range, White SoundMAGIC ES10 Noise Isolating In-Ear Headphones - Storage Pouch - 3 x Pairs of Silicone Ear Tips (Small/Medium/Large) - SoundMAGIC Warranty Transducers: Dynamic 10mm Neodymium Driver Frequency range: 15Hz-22KHz DC resistance: 16ohm (+/-10%) Sensitivity: 100dB/mW at 1KHz (+/-2dB)