Are you still looking for a professional and practical office headset? Are you in search of a sturdy, trustworthy headset that can do multiple jobs at once? , ! The professional computer headset must meet your needs. It is one of the for you. Features -Color:Black -Material:ABS, sponge and PU -Size:16.00X13.50X4.60cm/6.29X5.31X1.81in -Soft and flexible earmuffs, close to the skin, will not feel uncomfortable if worn for a time -Phone headset microphone, bring you clear conversation, no noise - control, used to control the change of speaker volume or to mute the microphone - without driver installation -CVC6.0 noise cancellation technology, so that you can carry out a clear call, no noise Specification - response range:20- (Hz) -impedance:32 () -The sensitivity:110 ( ) -The distortion rate:1 (%) -Wire length:1.6 ( ) -The loudspeaker diameter:32 (Φ mm) -Sensitivity:105±3 - Range: 20 Hz-20kHz -Microphone Sensitivity:-38±3 -Directionality: -directional -Headset & Cable Length 1) 3.5mm (1 plug): 1.6 +0.152) USB: 1.8 ±0.153) 3.5mm : 1.6 ±0.15& Separate USB cable :1.6 ±0.15 Package list: 1 x Headphone