Philips SHM7110U PC Headset. Device connectivity: Wired, Device interface: 3.5 mm, Cable length: 2 m. Acoustic system: semi-open, Headphone frequency: 18 - 22000 Hz, Impedance: 32 Ом. Microphone frequency: 20 - 10000 Hz, Microphone sensitivity: -40 dB. Dimensions (WxDxH): 165 x 68 x 190 mm, Weight: 0.113 kg. Connector(s): 2x 3.5mm, Gross weight outer carton: 1.97 kg, Gross weight packaging: 0.248 kg