In 2014 Plantronics announced the End of Life for the CS50 and they are no longer available. The CS540 is the replacement for the CS50 and has the same or lower price.
Click Here for CS50 Spares and Accessories which are still available from The Headset Team .
The CS540 has many new improvements. If you are currently using a Plantronics CS50 Wireless Headset System or looking for a new headset altogether you should check out the new and updated Plantronics CS540 Headset System to make sure you are getting the best solution to meet your needs today and in the future.
If you have any questions you can contact The Headset Team at 800-847-7068 to speak with one of our Plantronics Specialists. We are open 7 days a week.