Smart Touch Control You can directly perform operations such as for pause, play, adjust volume, up and down the song from the wireless headset, automatically remind and pause the music when you call coming, automatically resume the music after hanging up, music calls freely switch!.Bluetooth 5.1 earphones With advanced Bluetooth 5.0 technology, CVC8.0 noise reduction technology, Qualcomm chip, Bluetooth connection takes only 5 seconds. It offers instant pairing and stable transmission, providing you with a low-latency listening experience..One-step Pairing Simply take the 2 earphones out of the charging box, they will automatically connect each other, and then you can easily enter mobile phone Bluetooth settings to pair the earbuds in one step. The Wireless Bluetooth headset is compatible with all Bluetooth stereo devices, such as for iPad,iPhone,Android, etc..Ergonomic, IPX5 Sweatproof Mini wireless earbuds are lightweight and ergonomically designed to disperse pressure and ensure a comfortable fit. Three sizes of flexible silicone tips fit the shape of your ears, no more worrying about the earbuds falling out,ideal for sports, running, cycling, yoga, gym and more. IPX5 Fully sweat resistant, no interference with sports, music and calls..Note: When using the ear buds for the first time, please tear off the anti-static blue sticker on the surface of the earbuds, charge for 1-3 hours, and then start using. If you find that earbuds does not work or not charging, please feel free to contact us.