ERGONOMIC NECKLACE DESIGN The neckband design ensures a secure fit and allows for a comfortable fit even during the most intense movements. Bluetooth 5.0 Technology: Enjoy a stable and fast wireless connection with a range of up to 10 meters, allowing you to move freely. BUILT-IN MICROPHONE: Take calls with ease without taking off the headset. The built-in microphone ensures exceptional voice quality. VERSATILITY Enjoy immersive sound with the headphones in your ears or switch to the sound of the built-in speakers of the headphones to stay alert to what's happening around you (motorcycle, motorcycle...) Protective carry case included. Textbook in most languages (including French!). Universal compatibility. Built-in magnets at the top of the headphones to hold the earbuds. USB charging cable.