The HP Poly Savi 8420 Office DECT Wireless Headset System ensures flexibility for users with the ability to connect from their computer, desk phone or mobile phone. It’s ready for the office with an intuitive user interface on the universal base that can connect to almost any Savi headset. This headset’s noise-canceling mic is enhanced with Poly Acoustic Fence technology. Everyone can move, multitask and get more done with up to 13 hours of talk time on a single charge.