High Definition Voice Clarity with Ultra Noise Canceling Mic. One Touch channel selection on base switches between desk phone and softphone. Includes Headband and EarHook wearing styles. Intuitive, pairs for desk sharing and phone conferences, mic mute and volume on headset. Full 8 hour TalkTime in Wideband and 12 hours in narrowband, Battery recharges 50% in 20 minutes. Long distance range of up to 180 feet and line of sight up to 590 ft.