Poly CS520
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office, overhead, closed, wireless, Bluetooth v5.2, AAC, aptX, active noise cancellation, voice assistant, 20 – 20000 Hz, battery: 420 mAh, up to 30 h
office, overhead, closed, wireless, Bluetooth v5.2, 20 – 20000 Hz, 30 mW, battery: up to 43 h
office, overhead, closed, wireless, Bluetooth v5.3, AAC, 50 – 20000 Hz, 32 Ohm, battery: up to 20 h
office, one earphone, overhead, closed, wireless, Bluetooth v5.2, 20 – 20000 Hz, 30 mW, battery: up to 43 h
office, one earphone, overhead, closed, wireless, Bluetooth v5.2, 20 – 20000 Hz, 30 mW, battery: up to 43 h
office, one earphone, overhead, closed, wireless, radio channel, 150 – 6800 Hz, battery: up to 8 h
office, one earphone, overhead, closed, wireless, Bluetooth v5.2, 20 – 20000 Hz, 30 mW, battery: up to 43 h
office, one earphone, overhead, closed, wireless, Bluetooth v5.2, 20 – 20000 Hz, 30 mW, battery: up to 43 h
office, one earphone, overhead, closed, wireless, Bluetooth v5.0, battery: 150 mAh, up to 15 h
gaming, overhead, closed, wireless, radio channel, 20 – 20000 Hz, 32 Ohm, battery: up to 17 h
gaming, PlayStation 4, overhead, closed, wireless, radio channel, 20 – 20000 Hz, 32 Ohm, battery: up to 17 h
gaming, Playstation 4/5, overhead, closed, wireless, radio channel, 20 – 20000 Hz, battery: up to 48 h
gaming, Xbox One, Series S/X, overhead, closed, wireless, radio channel, 20 – 20000 Hz, battery: up to 48 h
gaming, Xbox One, Xbox Series X, Xbox Series S, overhead, closed, wireless, radio channel, 20 – 20000 Hz, 32 Ohm, battery: up to 12 h
Poly CS520
Type:on-ear, office
Connection:radio channel
Battery:up to 9 h
All specifications
Specifications CS520
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E-Catalog UK editor, Headphones
Olexandr Cherkashche…, edited 08.04.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Poly 2026 - new arrivals, bestsellers, and the most relevant models Poly.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Poly 2026 - new arrivals, bestsellers, and the most relevant models Poly.
Everything You Need to Know About Headphones: A Complete Technical GuideThe choice begins with understanding the design and features.
What characteristics should good headphones have?Guide to key features of headphones
Series Poly Telephony headsetsCompare using chart →
Additional features headphones Poly CS520:
- Conference call
- Support for four headsets base