Stereo headset STAY CONNECTED Perfect for music, Skype and online gaming Suitable for most laptops and desktop PC's Stereo computer headphones with microphone Adjustable microphone arm Soft comfortable ear pads and adjustable headband 3.5 mm connectors Speaker:40 mm Sensitivity: 105 dB S.P.L at 1 KHz Impedance: 32 O Frequency Response:20 Hz-20,000 Hz Rated Power: 15 mW Power Capability: 150 mW Plug Type: 3.5 mm Stereo