These are some very fine looking Bluetooth Headsets. It has a solid range, you can switch ears, charge by mini USB and one of the most interesting features – You can use two of them together for a two-way communication. Click on the image to read more about it. Specs are below the pic.

Battery charge 3 hours for full charge
Input Charge Power 5VDC (USB Port)
Internal Battery 3.7 VDC lithium ion
Talk Time Up to 8 hours talk time, 300 hours standby

Humidity 5% to 90% Non-Condensing
Operating Temperature 0°C to 50°C
Storage Temperature -10°C to 50°C

Audio Quality SCO and eSCO links supported
Connectivity Bluetooth 2.0
DSP Dual microphone noise suppression
Firmware Upgradable Yes
Profiles Supported Hands-free 1.5, Hands-free audio gateway, Headset
Simultaneous Connections Skype® and phone, 2 phones, Dragon and phone
Working Range 100 meters / 328 feet

Dimensions 1.25"W x 2.16"L x 2.25"H
Weight 0.9oz

RF Specifications
Frequency Band 2.4 – 2.4835 GHz
RF Output Class