Boost productivity in the workplace with the modern functional headset ndash the plantronics cs351 supraplus this product allows the user to perform more tasks at work as it gives real mobility and convenience with an amplifier to plug on the phone unit and a charger for the headset the user is guaranteed to have uninterrupted cordless phone conversations for hours on end the cs351 is designed to fit today39s office demands using advanced wireless headset technology it provides the sa