Apparently this one works with the 751 I don't think it has the volume wheel and mute button though. I ordered it yesterday and should be here in a week or so so ill test it and come back to this if you don't want to buy it just yet https://www.amazon.com/Monoprice-Auxiliary-3-5mm-Audio-Microphone/dp/B01N6SZYMH/ref=mp_s_a_1_3?keywords=Monoprice%2BOnyx%2BSeries%2BAuxiliary%2B3.5mm%2BTRRS&qid=1638316754&qsid=138-6823038-5237524&sr=8-3&sres=B01MZBUDRM%2CB071GWPJD6%2CB071XG9X2Y%2CB01MTB32PQ%2CB07FDQWQQL%2CB07PJW6RQ7%2CB01MR82GHR%2CB01K3WYA4G%2CB002N1XN4E%2CB0793JNYLL%2CB07RVCZWWH%2CB00AJHBD7I%2CB005E2Y0KK%2CB07FDL5J7V&srpt=ELECTRONIC_CABLE&th=1&psc=1