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Bulletins and Alerts for CS520 series
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Welcome to the product support page!
CS520 series
Enter your serial number to check your warranty status
This product cannot be identified using the serial number alone. Please provide a product number in the field below:
Typical locations you may find a serial number on your product:
Back of product
Under the battery
For laptops, press Fn + Esc
For desktops, press Ctrl + Alt + s
For Chromebooks, on the sign in screen, press Alt + v
On the barcode
Learn more
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Support categories
Troubleshooting
Software & Drivers
Setup & User Guides
Product Specifications
Warranty & Repair
Recommended solutions
Bluetooth Headset Troubleshooting (Smartphone)
How to resolve Bluetooth issues with Smartphonos and headsets
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Related documents and videos
Poly Service Reactivation Policy
Battery & Adapter (1)
Identify & Fix (3)
CS510/CS520: Battery Information
Savi W710/W720 and CS510/CS520: How to Replace the Battery
CS510/CS520: How to Adjust the Fit
CS510/CS520: How to use with Handset Lifter
CS510/CS520: Power On/Subscription Indicator Light
CS510/CS520: How to Adjust the Volume
CS510/CS520: Headset Controls
Poly Service Reactivation Policy
Product specifications
Speaker bandwidth
20 Hz to 6.8 kHz (narrowband or wideband)
Headphone type
On-ear (stereo)
Audio
Noise cancellation (NC)
Acoustic protection technology
SoundGuard
Color
Black
Manufacturer Warranty
Poly standard one-year limited warranty
What's in the box
Wireless headset; AC power adapter; Telephone interface cable (TIC)
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