User Manual

CIRCLE™
SC 230 USB,
SC 260 USB
Optimized for Unified Communications (UC)
Wired USB headset optimized for all major UC
and softphone brands
Sennheiser Voice Clarity and noise-cancelling
microphone ensure a clear and natural sound
experience in busy and noisy environments
Optimized for communication and multimedia
– due to automatic sound-enhancement profiles
Acoustic foam ear pads with soft leatherette cover -
for user flexibility and all day wearing comfort
Protective nylon carry pouch - for easy storage or
transport
CIRCLE™
SC 230 USB CTRL II,
SC 260 USB CTRL II
Optimized for Unified Communications (UC)
Wired USB headset optimized for all major UC
and softphone brands
Features an ergonomic, simple and functional
in-line call control unit - for seamless call management.
Sennheiser Voice Clarity and noise-cancelling
microphone ensure a clear and natural sound
experience in busy and noisy environments
Optimized for communication and multimedia
– due to automatic sound-enhancement profiles
Acoustic foam ear pads with soft leatherette cover - for user
flexibility and all day wearing comfort
Protective nylon carry pouch - for easy storage or transport
CIRCLE™
SC 230 USB MS II,
SC 260 USB MS II
Certified for Skype for Business
Wired USB headset certified for Skype for Business
Features an ergonomic, simple and functional in-line
call control unit - for seamless call management.
Sennheiser Voice Clarity and noise-cancelling
microphone ensure a clear and natural sound
experience in busy and noisy environments
Optimized for communication and multimedia
– due to automatic sound-enhancement profiles
Acoustic foam ear pads with soft leatherette cover - for
user flexibility and all day wearing comfort
Protective nylon carry pouch - for easy storage or transport
For full technical specifications of the CIRCLE™ variants,
visit www.sennheiser.com/circle-series