Flat yet trim
Weighing just 8 grams (0.28 ounce), the Plantronics M55 is thin, svelte, and rectangular. Attractive silver-metallic edges complement its glossy black hue. A discreet call button etched in gray is placed on the headset's front face, while a hidden LED sits below the surface.
Switch it on
The bottom edge of the Plantronics M55 houses its long power switch, which is easy to manipulate.
One size fits all
While the Plantronics M55 does provide a secure fit, thanks in part to the silicone sheath and stabilizer, its earbud comes in only one size.
Toggle the volume
A volume button runs along the Plantronics M55's top edge. Pressing it will cycle through volume levels in ascending order.
Small and sophisticated
One of the best attributes of the Plantronics M55 is its tiny size, which makes it more discreet to use. The headset's light 0.28-ounce weight is also very comfortable.
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