Up to 16 hours battery talk-time Great for working wirelessly Up to 30m/100ft wireless range Connect to up to 2 devices Enhanced durability 2-year warranty Passive Noise Cancellation Integrated busy light On-ear wearing style Up to 15 days standby Dual Bluetooth® connectivity Up to 16 hours talk time Integrated Busylight Long wireless range for up to 16 hours30-metre (100 feet) wireless rangeHave the freedom to leave your desk while on a call. Wireless Bluetooth technology 5.2 gives you up to 30 metres/100 feet of hands-free connectivity to PC, smartphone and tablet.16-hour battery lifeGet up to 16 hours of talk-time on a single charge. Or simply connect the USB cable and charge while using the headset.Control of your workspacePassive Noise CancellationSimply wear the headset to eliminate high-frequency noise, such as human voicesall thanks to the specially designed ear cushions. We call thispassive noise cancellation.Busy LightThe specialbusy lightturns red to let people kno