Discontinued
See the Poly HW540

• Easily converts between two wearing styles
• Double T-pad adjustable headband
• Anti-twist microphone boom for perfect placement
• Soft ear cushion balances over the ear without pressure
• Leading edge speaker technology for superior sound
• Clear Voice Tube (Noise cancelling microphone models also available.)
• Requires Plantronics amplifier or Plantronics bottom cord when connecting to compatible telephones.