Yealink YHM341-LITE The YHM341-LITE is an over-the-head mono headset ideal for busy office workers or call centre staff. It is a professional USB-wired headset with crystal clear audio, offering a lightweight form factor that is comfortable to wear, even for an entire workday. This noise-canceling headset has a foam earpiece and a QD connection to enable you to place a call on hold by simply disconnecting the headset at the QD during a call. A quick disconnect headset enables you to walk away from the telephone without removing the headset. A QD to RJ9 adapter can be purchased separately to connect it to Yealink IP phones. These phones can automatically optimize acoustic parameters, giving you unparalleled audio quality. Made for calls, the YHM341-LITE is equipped with high signal-to-noise ratio speakers and passive noise cancellation for richer and clearer conversations with reduced background noise. Built for comfort with a soft foam ear cushion and ultra-lightweight materials, this QD mono headset is 10%~30% lighter than other headsets in the same range. Its ergonomic design makes this headset comfortable for long conferences and calls. Features Soft foam earpiece QD to RJ9 can be purchased separately for plug-and-play setup HD Voice/Wideband speaker performance Noise-canceling microphone and passive noise cancellation ActiveProtection technology safeguards users from acoustic injury 330° bendable boom arm for easy adjustment without breaking