If you aren't sure your guy will go for the old - school shaving, there are cheaper sets available and he can always upgrade to the nicer version if he likes it. (wellnessmama.com)
If you buy that really cheap set from the dollar store, expect to get what you pay for. (humblemechanic.com)
You can also buy cheap sets of universal earbud tips to try out, such as different sizes of foam earbud tips or triple - flange «tree» earbuds that create a tighter noise - isolating seal. (geekwrapped.com)