Output source: Walkman headphones Category: Official standard color classification: Black sensitivity: 113dB / mW Frequency response range: 19-21000Hz Manufacturer: sennheiser Impedance: 16Ω cable length : 1.2 metersProduct Name: SENNHEISER / Sennheiser CX3 ... Brand: SENNHEISER / Sennheiser Sennheiser Headphone Model: CX300II Whether Wire Control: No Wearing Style: In-ear Headphone Type: Wired with or without Microphone: Without microphone Plug diameter: 3.5mm headphone plug type: L curved headphone