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Solid Around Ear Sports Wear Experience: No Matter on the stage, the car, the gym or being on the street, you can focus on your music Professional Sound Insulation Performance: HD9 with prefessional level of noise performance. The correct wear effectively isolate the outside world as high as 20Db+ noise Bass Driver and Acoustic Chamber: Excellent bass plump and vigorous sound; 3D Acoustic technology appropriate acoustic chamber Noise Cancelling: Noise Isolating design and the silicone earbuds allow you to fully immerse into your music without any other distraction Plug Type:L Bending Vocalism Principle:Dynamic Connectors:3.5mm Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone 100% Original Product