Anti metal interference, product miniaturization, quick connection to WiFi distribution network with just one touch, pop-up online app for human-machine interaction operation control; One touch connection/One touch transmission/One touch playback/One touch pairing/One touch query/One touch download/One touch payment/One touch travel, compatible with cloud platform ecological intelligent products such as Xiaomi, HarmonyOS, Doodle, and Amazon, and can be done on the chip.