your family complain about clicking? even with headphones i imagine sound leakage must be more than that?
you could be silent with a mech, if you manage to learn it so well that you don't press the switches down fully, although i'll say this, it aint too easy a habit to drop.
don't microsoft do a touch mouse? its weird as, but if you want a lack of mouse clicking it's a strange option.
alternatively you could:
1. tell family to stop complaining/start using earphones
2. go to bed early, if its browsing you're getting up to use your phone in bed