Patented Dual Driver Active design: For Lower Ear Pressure Purpose OVC H15 Applied 2 dynamic drivers for music play( 6mm ) , 2 other 13.6mm dynamic drivers for active noise cancelling. It Comes out with noise reduced rate average up to 30dB and when ANC off 4 drivers all can be used for music.

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60 Hours Active Working Time: Enhanced rechargeable battery performance. One full charge for 60 hours constant noise cancelling and music enjoyment, 3 or 4 times longer than similar ANC headphones.

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Built-in Microphone and Remote u0026amp; Optional Bass: With built-in mic and remote, you can easily change volume, skip tracks. Unique bass enhanced switch meets different listening needs of music enthusiasts.

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Patented In-ear lock design: Find a suitable Ear Tips will improve NC and music effect, No discomfort after long time wearing or earbuds sliding down. Full fabric design cord makes it lighter and more durable.

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What You Get: OVC H15 Active Noise Cancelling Headphones, Micro USB Charging Cable, Airline Adapter, 1 Set of Ultra-soft Ear Tips, Travel Pouch, User Manual, 18 Months Warranty and Lifetime Technical Support.

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