| Color | Black |
|---|---|
| Model | CS540A |
| Type | Earset |
| Features | Noise Cancellation, Rechargeable Battery, Wireless |
| MPN | 80R99AA |
| Brand | HP |
| Connectivity | Proprietary |
| Number of Earpieces | Single |
| Wireless Technology | RF |
| Microphone Type | Boom |
| UPC | 197497211115 |
Check the listing for details. Poly CS540A Wireless DECT Headset w/ Handset Lifter TAA. Color: Black, Condition: New. Listed at 436.90 USD. This is a Poly CS540A convertible DECT wireless earset with handset lifter TAA compliant for desk phone use. Manufacturer Part Number: 80R99AA#ABA; UPC: 197497211115. Key Features of Poly CS540A Headset.