Legit Reviews take a look at the Plantronics Discovery 640
The Plantronics Discovery 640 is a great headset to use if you are looking for something very light and very small. Weighing a scant 9 grams – or about the weight of two nickels, this Bluetooth headset is very discreet. If you are comfortable using the Ear Gels then you will be happy with the audio and volume produced...Plantronics Discovery 640 Bluetooth Headset Review
