http://www.amazon.com/Parts-Express-FM-Dipole-Antenna/dp/B000M9EREE/
The telescopic won't be much better. A dipole is optimum for indoor use:
https://www.amazon.com/Parts-Express-FM-Dipole-Antenna/dp/B000M9EREE/ref=sr_1_4?crid=32HFREASV10KJ&keywords=fm+dipole&qid=1660319983&sprefix=fm+dipole%2Caps%2C120&sr=8-4
If you already are using one of these and it's not optimal, then either an attic antenna or roof mount:
https://www.amazon.com/Stellar-Labs-30-2435-Outdoor-OMNIDIRECTIONAL/dp/B00DHHOZBI/ref=sr_1_3?crid=268E9Y1MX7LE6&keywords=outdoor+fm+antenna&qid=1660320055&sprefix=outdoor+fm+antenna%2Caps%2C113&sr=8-3