• Wireless headset with up to 300 ft range
• 900 MHz technology delivers clear, private and completely secure calls
• Eight hour battery life
• IntelliStand technology lets you answer an incoming call by picking up the headset if it's on the stand, or one-touch answer on the earpiece if you're away from your desk.
• Easy one-touch mute
• Convertible headband/over-the-ear headset lets you choose your preferred wearing style
• Now includes D+M filter cord, 8400 series hookswitch and 9600 series connection cable.
• HL10 handset lifter required for remote call answer/end, except on models 2410, 2420, 4610sw, 4620, 4620sw, 4621sw, 4622sw, 4625sw, 4630, 4630sw, 5410, 5420, 5610, 5620, 6416D+M, 6424D+M, 7405D, 7406, 7406D, 7410D, 7506 ISDN, 8403, 8405, 8410D, 8411D, 8434, 8500 ISDN, 9620, and 9630.