Poly / Plantronics Plantronics Savi W720

Mobile, PC and desk phone call compatibility Range of up to 120m Over-the-head wearing style with large earpads for maximum comfort Up to 9 hours talk time Conference calls between desk phone and PC or between 4 users connected to the same base unit Compatible with the HL10 handset lifter and electronic hook switches (depending on phone model) Binaural version for optimum concentration