COWIN E8 active noise cancelling headphones are engineered to sound better, be more comfortable. Put them on, and suddenly everything changes. Your music is deep, powerful and crisp, and so quiet that every note sounds clearer. Even air travel becomes enjoyable, as engine roar gently fades away. No matter how noisy the world is, it's just you and your music-or simply peace and quiet.

Features:

• Professional Active Noise Cancelling (ANC) Technology.
• Superior Sound Quality. The superior sound quality of the E8 is 25% stronger than that of our earlier E7 model.
• The over-ear cushions on the E8 are designed with a 90° rotation axis to help the headphones fit snugly to your head.
• Built-in Microphone and Bluetooth.
• COWIN E8 headphones have a rechargeable 545mAh battery that, with ANC or Bluetooth on, has a 20-hour life to it
• Impedance: 32Ω
• S/N: ≥100dB
• Frequency: 20Hz-20kHz
• Noise Cancellation Level: 32db Power supply: Lithium battery or Micro USB cable
• Audio source: iPhone, iPad, Samsung, Blackberry, Nexus, Smartphone, Computer, PC, Notebook, MP4, MP3, etc.