Advanced Sound 747 Review – Personal Sanctuary

The 747 is an absolute steal for any buyer looking into an affordable noise cancelling in-ear.
1More Dual Driver ANC Lightning Review – Traditional Audio, Evolved Features

1More’s ANC in-ear is built for the commuter combining an opulent yet perfectly ergonomic design with a warm, lush sound and potent active noise cancellation.
OVC H15 Review – How Good Can a $50 ANC Dual Driver Be?

You would be excused for not knowing about OVC, but their new $50 active noise cancelling in-ear might be worth a look if not a listen.