Product Review

H501 Wired Noise Cancelling Headphones with Microphone and Volume Control for Airplane Affordable Active Noise Cancelling Headphone Want to isolate the noise when you are going to get some sleep or enjoy your audio in airplane? Noise cancelling headphones will be the first choice. Want to get a pair of quality active noise cancelling at affordable price? 233621 H501 noise cancellation headphones will be the best choice. Equip with Quality Active Noise Cancellation and Passive Noise Isolation With built-in active noise cancelling chipset, over ear design and true memory-foaming earpads, H501 can reduce 95% of low frequncy enjine noise and 85% of people's talking sound. Product Specifications Speaker:40mm Impedance:100?(non-noise reduction mode), 300?(noise reduction mode)±10% Frequency response:8Hz-22000Hz Intelligent noise cancellation:up to 22dB Passive isolation:up to 35dB Battery life:about 50 hours Worry Free Warranty With 12 months worry-free product wanrranty and provide friendly, easy-to-reach support