Plantronics HW540-POLY is a Polycom IP Phone Compatible headset with  new in convertible headset design. It comes with a 3-in-1 design. 3 different wearing styles all included.  If you don't like one wearing style, you can easily switch to another.  Plantronics HW540-POLY  is designed with quality and comfort.  All 3 styles is simple to convert and is secure to wear with any style you choose. The Plantronics HW540-POLY provides high--quality audio, a flexible microphone with visual positioning guides, soft ear cushions, and super durable and lightweight materials for all day use.

Compatible with Polycom Soundpoint IP phone models: 300, 301, 335, 430, 450, 500, 501, 550, 560, 600, 601, 650, 670, CX300, CX500, CX600, CX700, VVX 101, VVX 201 VVX 300, VVX 310, VVX 150, 250, 350, 450, VVX 400, VVX 410, VVX 500, VVX 600, VVX 1500

Also compatible with ShoreTel (Mitel) IP 420, IP 480, IP 480G, IP 485, IP485G phones

Key Features:

• Includes a Polycom certified RJ-9 bottom cable - connects directly to the "headset" jack of your Polycom phone. No additional cable needed.

• Includes all 3 wearing styles - over the head, on the ear, and behind the head.

• Plantronics HW540-POLY is lightest in its class. A balanced boom mic that stays in place for all day wearing comfort

• Plantronics Quick Disconnect (QD) feature provides convenience to walk way easily

• Flexible noise canceling microphone boom allows you to positioning for the best voice transmission

• Wideband audio delivers richer, clearer conversations, while Sound Guard technology protects from noise spikes and listening fatigue, helping to meet OSHA/Noise at Work regulations

• HW540-POLY is designed for the all day and heavy call center environments

• Laser welded construction and metal joints provide unbeatable toughness Extraordinary Service

• Plantronics 2-year warranty

For more detail information see Plantronics HW540 datasheet

Plantronics HW540-POLY optional parts:

Plantronics HW540 Ear Loops (small and large)

Plantronics HW540 Foam Ear Cushions

Plantronics HW540 Leatherette Ear Cushions

Plantronics EncorePro Headband Support Pad