Noise Gone. Music On. With a flip of a switch, the X1 captures and negates external sound waves to block out unwanted ambient noise so you can focus on the music and leave the world behind. Active Noise Cancelling technology combined with high-fidelity 10mm neodymium drivers deliver a whole new level of audio performance. Featuring an inline three-button remote and mic for music and call control, the rechargeable ANC unit also offers up to 8 hours of ANC playtime on a single charge! Tune out the world and tune in to sound. Special Features: • High-Fidelity Stereo Sound • Active Noise Cancelling Technology • Precision Bass • Hands-free Music and Calls • Noise Isolating Fit • Comfortable In-Ear Design • Noise-Isolating Microphone • Superior Battery Life • Includes Travel Case and Airline Adapter • Limited One Year Warranty Specifications: • Drivers: 10mm Neodymium • ANC Play Time: Up to 8 Hours* • Frequency: 12Hz-v24kHz • Active Sensitivity: 108 dB SPL/1mW/1KHz • Passive Sensitivity: 107.5 dB SPL/1mW/1KHz • Impedance: 16Ω • Jack Type: 3.5mm • Charging Time: about 2 Hours • Charging Port: Micro USB *Actual ANC play time may vary based on sound volume and audio content Package Contents: • X1 Earphones • Ear Gels S/M/L • Airline Plug Adapter • Micro USB Charging Cable • Travel Case • User Manual