*Bundle includes Headset Advisor wipe* The Poly Savi 8220 UC DECT wireless headset system is built for professionals who need to block out background noise to zone in on calls. DECT technology gives you improved sound quality, longer wireless range and more secure conversations compared to a Bluetooth headset. The Savi 8220 UC also has a noise canceling microphone with close conversation limited to reduce noises callers would otherwise hear in your background. Rated up to 590 feet and up to 13 hours on a single charge, you'll have plenty of freedom to multitask.