You could use a mono to stereo adapter for when you’re using headphones.
https://www.amazon.com/QMseller-Adapter-Stereo-Adaptor-Connector/dp/B07HCDZV91/ref=mp_s_a_1_8?adgrpid=116178647222&hvadid=651128793300&hvdev=m&hvlocphy=9032085&hvnetw=g&hvqmt=e&hvrand=1790512921227468157&hvtargid=kwd-300486311902&hydadcr=19225_13507942&keywords=stereo+to+mono+adaptor&qid=1681716786&sr=8-8