This USB headset has a high-definition audio sound that brings you a pleasant leisure time. The comfortable and lightweight design can be worn all day. It feels comfortable and non-intrusive even though many hours talking. You also can use it to play games, listen to music, etc., which is multi-functional and practical. Features -Color:Black -Material:ABS, sponge and PU -Size:16.00X13.50X4.60cm/6.29X5.31X1.81in -Very and breathable earmuffs for increasing wearing comfort, good for long time wearing. -Very easy to wear and take off, comfortable skin feeling, durable and practical. -Professional office headset for your choice. Bringing you an excellent . -Built-in microphone, picks up . - USB headset is great for chat, business, call center, online courses, etc. Specification -Frequency 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 -Frequency Range: 20 Hz-20kHz -Microphone Sensitivity:-38±3 -Directionality: -directional -Headset Jack & 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