Cowin E7 Wireless Bluetooth Headphones with Mic Hi-Fi Deep Bass Wireless Headphones Over Ear, Comfortable Protein Earpads, 30 Ho

Product description: Hi-Res Certified Music: Hear every detail of your favorite songs thanks to 40mm drivers. The highly-flexible silk diaphragms reproduce thumping bass and crisp treble. Advanced Noise Cancellation Technology: Maintain your focus with hybrid active noise cancellation. Dual noise-detecting microphones pick up and filter out low-frequency ambient sound to ensure nothing distracts you from your music. 30-Hour Playtime: This active noise cancelling headphones play up to 30 hours of music in noise cancelling mode. Pressure-Free Comfort: This active noise cancelling headphones have ultra-soft leather earcups to fit snugly over your ears. The lightweight build also ensures theyre comfortable for long listening sessions. Specification: 1. Impedance: 16 2. S/N: 85dB 3. FrequencyResponse: 20Hz-20kHz 4.