This is the Polycom Certified  Savi 7210 + EHS Remote Answer  wireless headset package. This package is Plantronics Savi 7210 wireless headset bundle together with Polycom remote Answering cable (EHS cable).  This headset package allows the wireless headset (Savi 7210) to answer and end-call your Polycom IP phone remotely away from your desk, up to 400ft away, Plantronics Savi 7210 is an over-the-head only headset, Enjoy the premium wideband audio quality and awesome wireless range.. 

Certified Compatible with Polycom Soundpoint 335, 430, 450, 550, 560, 650, 670, VVX 101, VVX 201, VVX 300, 301, VVX 310, 311, VVX 150, 250 VVX 350, 450, VVX 400, 401, VVX 410, 411, VVX 500, 501, VVX 600, 601, VVX 1500

Also compatible with the new Poly Edge E series phones:  E220, E300, E320, E350, E400, E450, E500, E550

(do not order if your phone is not listed or call if you want to be sure)

Key Features:

• Polycom EHS remote answering cable included in this headset package.
• 64 bit encryption DECT Security Certified
• Over-the-Head monaural wireless headset
• Wireless range up to 400 feet
• Up to 12 hours of battery time (talk time) when fully charged (50 hours of standby) 
• Volume/mute controls from the wireless headset
• Answer calls from the wireless headset
• Adaptive power optimizes for range and talk time
• Wideband audio using CAT-iq technology
• 104g headset weight
• Noise-canceling microphone to block out background noise (about 60% effective)
• Conference in up to three (3) additional Savi 7210 headsets for conference calls if needed

For more information, see Poly Savi 7210 datasheet