I am amazed and appalled when I see such obvious attempts at ripping off trademarks and trade dress. This fools no one, but it is still unacceptable.
Someone went to a lot of trouble to make the artwork, packaging etc. - they took the existing product and said to the factory, change any R to a Z. Instzuctions foz use: Position youz Wizeless miczophone neaz pezfozmer.
Sounds like a sneeze coming, or maybe a little nap. Intellectual property disputes, counterfeiting, and back door gray market selling are on the rise, and some US companies are quite concerned.