Pros

  • Incoming calls sound terrific
  • Smartphone apps, including a trial of Vocalyst and Find MyHeadset, supplement M55 usage

Cons

  • Metallic or robotic tinge to calls some of the time
  • One ear piece cover size only

At A Glance

At $50, the Plantronics M55 is a great example of a budget headset, which offers average and sometimes above-average call quality, hands-free options, good comfort, and a series of supporting smartphone apps.