Philips SHO4200WG. Headphone frequency: 15 - 24000 Hz, Headphone sensitivity: 107 dB, Impedance: 32 Ом. Connectivity technology: Wired, Cable type: OFC, Cable length: 1.2 m. Packaging width: 195 mm, Packaging depth: 73 mm, Packaging height: 215 mm. EAN/UPC/GTIN (outer carton): 1 69 23410 71126 1, Gross weight outer carton: 1.12 kg, Height outer carton: 215 mm. Maximum input power: 0.1 W