Solution:
The Bluetooth connection status between Xiaomi Watch S1 and the mobile phone is affected by the surrounding environment. Generally, there are obstacles. When the distance between the watch and the mobile phone is 5-8 meters, the Bluetooth will automatically disconnect; in an open area or a corridor, the watch and mobile phone When the distance is 20 meters, the Bluetooth will be automatically disconnected; if there is a distance between the watch and the mobile phone (the watch and the mobile phone are facing each other), the Bluetooth will be automatically disconnected when the distance between the watch and the mobile phone is 3-5 meters. The actual performance shall prevail.