Plantronics M55 Review – Plantronics M55 has a similar design with the Marque M155 that I reviewed back in January. However, the main highlight of the M55 is the new DeepSleep mode which will automatically activate its power-saving mode when the M55 is away from your phone for over 90 minutes.

We've got a brand new Bluetooth earpiece on the review bench today by the name of Plantronics M55, ladies and gentlemen, and this little beast is rather well put together. This is one of many reviews we've done of Plantronics Bluetooth devices , this certainly not the least of the pack - the M55, in...