How many Noise Reduction Headphones are available?

Some customers who inquire Noise Reduction Headphone, it can be used many occasions, such as noisy factory, race track and construction site. Retevis newly released EHK007-M/K Electronic Pickup and Noise Reduction Headphones and High-Quality Rear Mounted Noise Reduction Earmuff, this protects your ears from damage in noisy environments. Besides, Retevis also has 3 Noise-Canceling headsets, […]