HP Poly CS540A

Monaurales DECT headset. Connection to the device: EHS adapter, RJ-9. Wearing style: In-ear, Convertible/Over-the-ear/Headband, Mono. Suitable for: Office, Microsoft Certification: No. Microphone with noise cancellation. Broadband audio quality. Up to 9 hours of talk time. The Plantronics CS 540 offers broadband audio quality that enables high-quality communication with your conversation partner. An integrated protection limits the volume to a maximum of 118 dB(A), so you are not disturbed by sudden loud noises. Perfectly connected with DECT technology. The DECT technology, which ensures the wireless connection between the headset and the USB adapter, provides a reliable connection with excellent audio quality and a range of up to 120 meters.