The Asus ROG Cetra active noise cancelling earphones are meant to enhance your smartphone gaming experience, but you can also use them with various other USB Type-C devices. Find out how good these earphones are in our review.The Asus ROG Cetra active noise cancelling earphones are meant to enhance your smartphone gaming experience, but you can also use them with various other USB Type-C devices. Find out how good these earphones are in our review.