[Eject and Auto Pairing] Take out 2 headphones from the charging box, they will be connected automatically. The IOS system will pop up a window to connect to the phone to complete the pairing. [Touch] Just unplug them from the magnetic charging box, TWS will appear on your IOS Phone / Android smartphone immediately, and then you will enter the music world in seconds without reconnecting [Waterproof and comfortable design] The wireless earphone is waterproof. It can resist sweat and rain no matter you exercise in the sun or sing in the rain. The weight is only 12 grams, which is comfortable and suitable for most ear shapes. It won't pop up when you walk around or exercise. [Various Compatibility] This wireless earbud is equipped with Bluetooth 5.0 + EDR technology, can easily pair with any Bluetooth-enabled device within a distance of 33 to 50 feet, and automatically pair with the previously connected device. Support all smart phones and other devices with Bluetooth function.