VOYAGER 4220 UC B4220 USB-A

- Voyager 4220 USB-A binaural headset - Talk time: Up to 12 hours - Standby time: Up to 13 days - Wireless range: Up to 30 m - Battery capacity: 360 mAh - Charge time: 1.5 hours - Wireless technology: Bluetooth v4.2 - Busy light: The red LED on the speaker shows colleagues that you are on the phone - Dynamic mute: Lets you know if you talk while you are on mute - Headset controls: Answer/end calls, mute, volume control