EFFORTLESS and EFFECTIVE: Enjoy the simplicity of Bluetooth V4. 1 as it gives instant, energy efficient, hands-free connection to almost any devices for sound and music enjoyment SMALL CONVENIENT DESIGN: The earbuds allow for a cozy fit without falling out. Easily store in a purse or even a pocket. Perfect for use in the office, home, gym or outdoors. Does not fit for boxing and other strenuous exercise EXCEPTIONAL SOUND : Bluetooth V4. 1 provides skip-free stereo sound and exceptional in-call sound. Provides clear and deeply engaging music in CD sound. Noise canceling technology ensures an interruption-free listen experience for the user Best for Hands free and Music while driving/walking/Gyming/Running/Work Out/Sports and Other Outdoor Activity