VXI Passport 21V DC Over-the-head Binaural Headset with DC N/C Microphone - Box

Specifications: 

• The Passport 21 V DC Single-Wire Binaural Headset from VXi has two speakers to block out distractions and help keep you focused on your calls. This model is for use with VXi direct connect cords. 
• Be heard clearly with noise canceling-technology
• Lightweight and comfortable
• Stable, custom fit
• Durable design