Bluetooth headsets can never be as small or as light as wired headsets, simply because the need to include functions and extra batteries. Extra Size will affect how the headset on or around the mountain your ears.
Bluetooth Headset Comfort
There seems to be two main styles of headsets for Bluetooth. Some are held into place with a loop around the ear. These styles are normally more comfortable, although they may be less secure. The others are held in place by being jammed into your ear - and usually prove to be less comfortable.
