WIRELESS & STEREO NOISE REDUCTION: stereo and monaural modes, equipped with a 7.2 mm dynamic unit and a intelligent noise reduction system to enjoy the quality of the sound. High-fidelity, lightweight 4.1g, ideal for running while listening to music | SPORTS HEADPHONES WITH MICROPHONE: With high-quality Bluetooth headphones with built-in microphone, you can make phone calls easily, the call quality signal is stable | BLUETOOTH 5.0 HEADPHONES: The Airdots are equipped with Bluetooth 5.0 chips, for up to 2 times higher data transfer speed than the previous generation, and a faster and stable connection, smoother for listening to music and gaming