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