have a little handy "Headset" or Handsfree Kit searched on the go, in order, etc. Skype Calls to make. The SHM2100 serves this purpose. The earplug is not a typical "in-ear", but rather of execution such as: iPod / iPhone headset, characterized - I find - comfortable to wear. [For in-ear plugs I can to the contrary, after 30 minutes in the ear no longer bear] In addition to the earplugs, the Philips SHM2100 still an elastic strap that supports "headset" (supposed "earset" hot), holds since, where it should be. Very quick and easy to set up even with one hand. Voice quality - Micro and audio - is very good and there are, as promised, will also suppress ambient noise. For this price - a no-brainer.