Sennheiser Consumer Audio PC 7 USB - Mono USB Headset for PC and MAC, Black (504196) (B005HWEZ98)

Sennheiser PC 8 USB Stereo Headset Black

Sennheiser PC 131 On-Ear Headphones, Adjustable Headband, Volume Control, Built-In Microphone, Noise-Cancelling, Black, Silver, 500912

Sennheiser Century SC 630 USB ML Premium Single-Sided Wired Headset (504552)

Sennheiser Consumer Audio SC 660 USB ML (504553) - Double-Sided Business Headset | For Skype for Business | with HD Sound, Ultra Noise-Cancelling Microphone, & USB Connector (Black) (B00FXWB716)

Sennheiser PC 21-II Single-Sided Headset with Microphone

Sennheiser PC 31-II Binaural Headset with Microphone

Sennheiser PC26CallControl Usb Noise Canc Mic Headset

Sennheiser Corded Headset With Active Noise Cancelling - Black -

Sennheiser PC 36 Call Control USB Binaural Headset

Sennheiser Around-the-Ear Headphones With Noise Cancelling -

Sennheiser Behind-the-Neck PC141 Double-Sided Noise Canceling Headset 500916

PC121 Earset

Sennheiser Headset PC 333D With Enhanced Bass - Black - 504126

Sennheiser 506045 MB Pro2 UC Stereo Bluetooth Headset with Dongle

Sennheiser Circle SC 260 USB CTRL II Pro Wired Dual-Sided Headset

Sennheiser SC 75 USB MS (507086) - Double-Sided Business Headset | For Skype for Business, with Mobile Phone, Tablet, Softphone, and PC | HD Sound & Noise-Cancelling Microphone (Black) (B01LXRR799)

Sennheiser PC 310 Gaming Headset

Sennheiser Culture Series Wideband Headset (SC60-USB-CTRL)

Sennheiser D 10 USB ML Headset

EPOS I Sennheiser GSP 600 – Wired Closed Acoustic Gaming Headset, Noise-Cancelling Microphone, Adjustable Headband with Customizable Contact Pressure, Volume Control, for PC + Mac + Xbox + PS4, Pro (B078VM929R)

Sennheiser SC230 USB ML Headset

Sennheiser - 506500 - Sennheiser SC 40 USB CTRL Headset - Mono - Black - USB - Wired - 60 Hz - 16 kHz - Over-the-head -

Sennheiser 506502 Headset Black

Sennheiser Electronic PC11 On ear PC headset

Sennheiser SC 70 USB CTRL Double-Sided Wired Headset

Sennheiser SC 75 USB CTRL Double-Sided Wired Headset

EPOS I SENNHEISER GSP 500 Wired Open Acoustic Gaming Headset, Noise-Cancelling Microphone, Adjustable Headband with Customizable Contact Pressure, Volume Control, PC + Mac + Xbox + PS4, Pro –Black/Red (B07CK4J1SW)

Sennheiser Culture Series Wideband Headset (SC60-USB-ML)

Sennheiser Culture Plus Mobile SC 45 Single-Sided Wired Headset with 3.5mm Jack

EPOS I SENNHEISER IMPACT SC 230 USB - Headset - on-ear - wired - active noise canceling - USB - black, silver

Sennheiser SC260 USB Circle Series Dual-Sided Headset with Noise-Canceling Microphone

Sennheiser Culture Series Wideband Headset (SC30-USB-ML)

Sennheiser Culture Series Wideband Headset (SC30-USB-CTRL)

Sennheiser Century SC 630 USB CTRL Premium Single-Sided Wired Headset (504554)

Sennheiser D 10 USB Headset

Sennheiser PC 2 CHAT Mono Analog Headset for PC

Sennheiser CC 520 - Headset - on-ear - wired - Easy Disconnect

Sennheiser Pc 8 Usb Internet Telephony On-ear Headset

Sennheiser SC 665 USB (507257) - Double-Sided Business Headset | UC Optimized and Skype for Business Certified | For Mobile Phone, Tablet, Softphone, and PC (Black) (B078GN8NWP)

Sennheiser SDW 5015 (506592) Single-Sided Wireless DECT Super Wideband Headset for Desk Phone & Softphone/PC Connection Dual Microphone Ultra Noise-Canceling, Black (B07F12DV15)

Sennheiser SC 635 USB (507254) - Single-Sided Business Headset | UC Optimized and Skype for Business Certified | For Mobile Phone, Tablet, Softphone, and PC (Black) (B078GP98P2)

Sennheiser 504406 Headset - Wired Silver/Black

Sennheiser Century SC 660 USB CTRL Premium Premium Dual-Sided Wired Headset (504555)

Sennheiser PC 31-II Binaural Headset with Microphone