Jabra Evolve 20 UC & Plantronics Blackwire C3xx
Jabra Evolve 20 UC & Plantronics Blackwire C3xx

Application
PC with Swyx

Connectivity
USB

Loudspeaker
Jabra Evolve 20 UC Mono
Jabra Evolve 20 UC Stereo
Blackwire C310 Mono
Blackwire C320 Stereo

Acoustic
HD-Audio, NoiseCancelling, PeakStop (Jabra)
HD-Audio, NoiseCancelling,SoundGuard, dynamic EQ function (Plantronics)

Wearing style
Headband

Features
Flex Boom, in-line buttons on the cord (Hook, Mute, Volume) (Jabra)
In-line buttons on the cord, high value metal bracket (Plantronics)