In-ear headphones come with a range of ear adapters to ensure a secure fit Bluetooth 5.2 connectivity allows for easy wireless connection to compatible devices 7mm dynamic audio drivers deliver high-end audio with powerful bass IP54 dust, splash, and sweat resistance provides better durability when playing sports or exercising Adaptable acoustics let you switch from an open style for more situational awareness or a closed style for increased noise cancellation and better immersion Touch interface controls are ultra-easy to operate Adjustable sidetone lets you hear your own voice while talking, allowing for clearer voice calling