? [Bone conduction technology]-- Our bone conduction technology delivers music through your cheekbones, ensuring your ears remain completely open to ambient sounds for maximum situational awareness during long-term wear.? [Advanced Bluetooth V5.0]-- It can connectivity and convenient multipoint pairing compatible with your iOS and Android Bluetooth-ready smart-phones or tablets and Mac and PC computers and laptops. Connect seamlessly with all Bluetooth enabled devices up to 30 feet away.? [Comfortable and safe]-- The bone-conducting headphones are lightweight & flexible to ensure maximum comfort during extended wear. And with a long battery life, this Bluetooth earphones with microphone allows you to enjoy continuous music and calls for 6 hours at a time.[Design for sports]-- The bone conduction earphone is strong and sweat-proof, suitable for running, cycling, fitness, hiking, rock climbing and driving.