Yeah I don't believe without a seal to block out noise you cannot physically cancel noise effectively. The only pair that does this that im aware of is aforementioned Budslive but that failed. If you can find it for like 50-100 bucks id say its worth it but any more and no way.

Thats not actually possibly I don't believe, since theres no seal with that type of earbud, you can't really seal out noise if that makes sense. If you want noise cancelling, you'll have to get an earphone with a silicone tip. Example of this is when Samsung did the whole Livebuds thing and that had ZERO noise cancelling despite having it built in.