Genius GHP-206 Ear Canal Headphones Premium neodymium drivers deliver superb quality audio sound. Solid bass with extended treble. Extremely small and lightweight. Three sizes of soft silicone ear tips provide the best fit for your ears. Specifications ■Driver unit 10mm ■Sensitivity 92dB ± 3dB @ 1K Hz ■Frequency response 20Hz – 20KHz ■Cable length 1.2M ■Connection 3.5mm audio jack ■Color Black ,White ■Impedance 16 ± 15% Ω ■Weight 11g What's included ■GHP-206 ■Two sets of S/L silicon fittings ■Multi-language quick guide