CP0069B Features Superb stereo sound quality With microphone and volume control Perfect for using on your computers for listening music and talking with friends on line General Specs Brand Longya Model LY-898 Sound Excellent super bass stereo sound Earphone Type Wired headset Impedance  2.2 kilohms Sensitivity 110DB±3DB Frequency Response 20HZ-20KHZ Connector 3.5 mm audio jack Cable Length 2.0 m Speaker Diameter 40 mm Microphone Size 6mm × 5mm Compatibility MP3 player, MP4 player, personal CD player, PC, laptop Others Volume control, microphone  Package Details Weight: 301.74 g Size: 24*21.5*7 cm Package Includes * Earphone