Adtec AD-HSM10 Super Small Bluetooth Headset

Japanese manufacturer claim that they have produced the world
smallest Bluetooth hand set, and at 0.9 x 0.86 x 1.2 inches it
probably is.

this little things only weighs five grams which makes it
considerably lighter than the Motorola Miniblue H9. But the battery is
big enough to power this thing for 3 hours of talk time or 100 hours
of standby time.

The price is $78 .If you are not down with silver, there’s also a
titanium version out there.