Yealink YHD342 The YHD342 is an over-the-head dual 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 soft leather earpieces and a QD connection to enable you to place a call on hold by simply disconnecting the headset at the QD during a call. Features Soft leather earpieces 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