LOSE YOURSELF IN THE MUSIC: With adaptive active noise cancellation, you can tune out of your surroundings, even in strong windy conditions. Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ears.Specific uses for product : Sports and Exercise Product Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ears SOUL–STIRRING SOUND: Finely tuned acoustics for music that moves you. CLEAR CALLS: Be heard, with beamforming microphones that cut out background noise..Note:If you face issue in Bluetooth connectivity please turn off the Bluetooth function for a couple of minutes, then turn it back on PRECISION CRAFTSMANSHIP: Clean lines and premium materials crafted by Bang Olufsen engineers. WATERPROOF EARBUDS: Workout, explore off road or take a stroll in the rain with IP57 rated waterproof earphones