دايسون أونتراك سماعات نك النحاس

Dyson OnTrac™ headphones remastered Up to 55 hours of battery life Best in class active noise cancellation. Enhanced sound range 6Hz to 21kHz Customisable outer caps and ear cushions. Our 8 Active Noise Cancelling microphones cancel up to 40dB of unwanted noise, for fully-immersive listening. So you don't miss a beat.The Digital Signal Processor (DSP) reveals expanded sub-bass and high-end brilliance.Most Headphones opeerate on a frequency range from 20 to 20000 Hartz. Our technology expands that range, from 6 hertz at the low end to 21,000 Hertz at the top. so they achieve greater clarity across the audible portion of the spectrum.Automatic software updates throughout the life of the headphones.