Thank you for the search request! Based on the results, I would recommend the Skullcandy Indy Evo or Skullcandy Rail true wireless earbuds. Both offer hands-free calling and music listening via Bluetooth from your phone while driving. The Indy Evo is priced at R1439 and offers great sound quality and battery life. The Rail earbuds are a bit cheaper at R1625 and provide a comfortable, discreet way to take calls on the road. Let me know if you need any other details on these wireless earbud options for hands-free use in your car. I hope this helps start your search - please reach out if you have additional questions!
Based on your question, I would recommend either the SB360 Bluetooth 4.0 Hands-free Car Kit for R595 or the Sound Science Bluetooth On-ear Headset for R249. Both of these options will allow you to take hands-free calls and listen to music safely while driving. The SB360 is a dedicated car kit that integrates with your car speaker system for high quality audio. The Sound Science headset can be used both in the car and on the go, providing flexible Bluetooth connectivity on a budget. I hope one of these lower cost options works for your needs as a pensioner prioritizing affordability. Please let me know if you have any other questions!