Latest comer in the market, tiny Invisio G5 Bluetooth headsets from Nextlink, has been rated to be the smallest in the world. It is 3.3 x 1.6cm 1.3 x 0.63in and weighs only 6 grams and holds smart features with excellent purpose fulfillment capability. It includes three button interface and a ‘Soft Spring’ for comfort. Any mobile device can trust it for 20 hours of talk time and 30 days of standby. Compact V1.2 and V2.0 Bluetooth provide it with range of up to 10 meters. It includes volume and mute buttons, call waiting, voice dial, conference calling for up to three people, and call transferring to your mobile.
It comes with Protective Charging Case and cost near about $165 in Europe.