Volkano Dual Neo Series Headphone and Earphone Combo - Black Headphone Specifications: - Speaker Dimension: F40mm - Speaker Impedance: 32O 15% - Frequency response: 20-20000Hz - Sensitivity: 94Db S.P.L at 1KHz - Rated Power: 15Mw - Power Capability: 100Mw - Cable length: 1.2M +/- 0.15M - Aux Connection: 3.5mm Earphone Specifications: - Speaker Dimension: F10mm - Speaker Impedance: 32O 15% - Frequency response: 20-20000Hz - Cable length: 1.2M +/- 0.15M - Aux Connection: 3.5mm 2-for-1 Headphone & Earphone Combo What's in the box 1 x Volkano Dual Neo Headphone & Earphone Combo - Black