At home or in the office, the PC 21-II headset has been designed for easy internet-based calls. Its single-sided wearing style lets you enjoy the conversation while being in touch with what’s going on around you. And the lightweight, adjustable headband is comfortable to wear all day long.

To help make sure you’re understood, the PC 21-II features an improved noise canceling microphone that reduces background noise – and makes the headset extra good when you’re using speech recognition applications.
As an added feature, the microphone boom arm is extremely flexible, so that you can easily adjust it to sit any way you like.

Model Features

• Keep one ear free
• Fully flexible boom arm
• Mono speaker for the quite office environment
• Noise canceling microphone eliminates background noise
• Enhanced durability

Wearing style: Headband

• Sennheiser sound – a quality speaker delivers great acoustic performance, so you’ll always hear what’s being said
• Noise canceling clarity – the microphone filters out ambient noise, so your voice is always clear and easy to understand
• Reliable speech recognition – the microphone is specially designed for your device’s speech recognition function
• Keep one ear free – the single-sided design keeps you in touch with your surroundings while you talk over the net
• Fully flexible boom arm – adjust the microphone for optimal voice pick-up and comfort
• Light and comfortable – with the lightweight headband, it’s easy to forget you are even wearing a headset
• 2-year warranty

• OmniSound® HD
• High resolution touchscreen
• Headset connection
• Rechargeable battery
• Built-in bridging function
• Upgradable software
• Enhanced Feature support
• SD call recording
• Two-year warranty

» Datasheets
» Quick Guide | User Guide
» Product Guide
» Comparison

• OmniSound® HD

• High resolution touchscreen

• Expandable with microphones

• Headset connection

• Rechargeable battery

• Built-in bridging function

• Upgradable software

• Enhanced Feature support

• SD call recording

• Two-year warranty

 

	Expansion microphones 1 pair. Increases the range from 30 square metres up to 70 (750 sq ft). Connection cables in two lengths, 1.5 metres (4 ft) and 2.5 metres (8 ft) included.Item no: 900102113
	PA Interface Box > Installation For connection to external loudspeaker and microphone system (PA system). Plug: RCA in/out. Connection cables 2.5 metres. » PA Interface Box – Quick Guide (565 KB)Item no: 900102087

 

» Datasheets
» Quick Guide | User Guide | Quick Guide
» Product Guide
» Comparison

• OmniSound® HD
• SD call recording
• Expandable with microphones
• Two-year warranty

	Expansion microphones 1 pair. Increases the range from 30 square metres up to 70 (750 sq ft). Connection cables in two lengths, 1.5 metres (4 ft) and 2.5 metres (8 ft) included.Item no: 900102113

» Datasheets
» Quick Guide | User Guide
» Product Guide
» Comparison

• OmniSound® HD
• SD call recording
• Built-in bridging function
• Expandable for PA System
• Connection for Wireless headset
• Expandable with microphones
• Phonebook
• Upgradable software
• Conference guide
• Line selector
• Two-year warranty

	Expansion microphones 1 pair. Increases the range from 30 square metres up to 70 (750 sq ft). Connection cables in two lengths, 1.5 metres (4 ft) and 2.5 metres (8 ft) included.Item no: 900102113
	PA Interface Box > Installation For connection to external loudspeaker and microphone system (PA system). Plug: RCA in/out. Connection cables 2.5 metres. » PA Interface Box – Quick Guide (565 KB)Item no: 900102087

 

» Datasheets
» Quick Guide | User Guide
» PA Interface Box Guide
» Extended Use
» Product Guide
» Comparison

• OmniSound® HD
• SD call recording
• Built-in bridging function
• Expandable with microphones
• Phonebook
• Upgradable software
• Conference guide
• Two-year warranty

	Expansion microphones 1 pair. Increases the range from 30 square metres up to 70 (750 sq ft). Connection cables in two lengths, 1.5 metres (4 ft) and 2.5 metres (8 ft) included.Item no: 900102113

 

» Datasheets
» Quick Guide | User Guide
» PA Interface Box Guide
» Extended Use
» Product Guide
» Base Station
» Comparison

• OmniSound® HD
• Mobile network
• SD call recording
• User profiles
• Built-in bridging function
• Connection for Wireless headset
• Upgradable software
• Phonebook (LDAP)
• Conference guide
• PoE (Power over Ethernet)
• Two-year warranty

	Expansion microphones 1 pair. Increases the range from 30 square metres up to 70 (750 sq ft). Connection cables in two lengths, 1.5 metres (4 ft) and 2.5 metres (8 ft) included.Item no: 900102113

 

» Datasheets
» Quick Guide | User Guide
» Product Guide
» Comparison

 

Work well with others
It works with virtually any business video-calling client your company may use—and is certified for Microsoft® Lync™ and Skype.

 

H.264 video standard
You’ll enjoy faster, smoother video and better image quality with less demand on your computer thanks to H.264 encoding—the industry standard for HD video.**

 

HD 720p video calls
You’ll get 720p video calling on most major instant messaging services and Logitech Vid™ HD.*

 

One-click upload to Facebook
You can easily capture HD video (1080p) and upload it to Facebook™ or YouTube® with just one click.

 

 

Stereo audio
Coworkers and colleagues will enjoy clear conversations in natural, stereo wideband audio thanks to dual mics—one on either side of the lens.

 

 

Stable mounting clip
The versatile clip with rubberized bumpers helps hold your webcam securely in place on your desktop or laptop monitor. Plus, it’ll even mount on a tripod.

 

 

Carl Zeiss® optics
Managers and specialists alike will enjoy razor-sharp images from a glass lens designed with the help of an industry leader.

 

 

Premium autofocus
Images stay razor sharp, even in close-ups (up to 10 cm from the camera lens).

 

 

15-megapixel snapshots
You can send brilliant 15-megapixel snapshots (software enhanced) to the people you care about.