Battery type
Rechargeable Li-ion polymer
Battery life
Up to 50 days (standby time); Up to 13 hours (talk time)
Button user controls
Call answer/end; Mute; Volume +/-; Power on/off; ANC on/off
Speaker bandwidth
20 Hz to 20 kHZ (multimedia mode); 100 Hz to 6.8 kHZ (wideband mode)
Wireless range (imperial)
Up to 590 ft in open area; Up to 180 ft in typical office environment
Acoustic protection technology
SoundGuard Digital
Voice alerts
Volume maximum; Volume minimum; Mute on; Mute off; Muted; Connection status; Talk time; Battery low
Manufacturer Warranty
Poly standard two-year limited warranty
Footnote [01]
[1] Line of sight from computer.