Crisp Calls: The headphones’ stereo sound makes it fun and easy to stay in touch. Noise cancelling Microphone: Reduces annoying background noise, so you can be heard clearly and you can wear it on your left or right. Adjustable Headband: Personalise the fit of your headphones with the adjustable headband and foam ear cups. Adjustable Microphone: You can rotate the microphone up and out of your way when you are not using it. Simple In-Line Controls: Make it easy to adjust the volume and mute the noise-cancelling microphone. H150 Stereo Headset Logitech H150 Stereo Headset. Product type: Headset. Connectivity technology: Wired. Recommended usage: Office/Call center. Headphone frequency: 20 - 20000 Hz. Cable length: 1.8 m. Weight: 80 g. Product colour: White. Logitech® Stereo Headset H151. Speak clearly. Crisp calls with stereo sound make it easy to stay in touch. The noise-cancelling microphone reduces annoying background noise, so you can be heard clearly. You can wear the microphone on your left or right, and just rotate it up and out of your way when you're not using it. Personalise your fit with the adjustable headband and foam ear cups. In-line controls make it easy to adjust the volume and mute the microphone. It's easy to set up, too. Just plug your headset and it works with common calling applications across almost all platforms and operating systems. 2 years Performance. Cable colour Black. Cable length 1.8 m. Control type Buttons, Rotary. Control unit type In-line control unit. Volume control Rotary. Product colour White. Headset type Binaural. Recommended usage Office/Call center. Wearing style Head-band. Product type Headset. Ports & interfaces: 2x 3.5 mm connectors Yes. Connectivity technology Wired. Headphones: Headphone sensitivity 122 dB. Impedance 22 Ω. Headphone frequency 20 - 20000 Hz. Acoustic system Closed. Ear coupling Supraaural. Microphone: Microphone mute Yes. Folding microphone Yes. Microphone noise-canceling Yes. Microphone sensitivity -44 dB. Microphone frequency 100 - 6500 Hz. Microphone type Boom. Weight & dimensions: Weight 80 g. Height 200 mm. Depth 85 mm. Width 45 mm. Packaging data: Package weight 230 g. Package height 220 mm. Package depth 200 mm. Package width 54 mm. Packaging content: Quantity 1. Logistics data: Master (outer) case weight 1.33 kg. Master (outer) case height 215 mm. Master (outer) case length 448 mm. Master (outer) case width 141 mm. Harmonized System (HS) code 85183000. Other features: Packaging content Stereo headset, User documentation, 2-year manufacturer’s guarantee, User guide Yes.