Do you need to pair the watch with the mobile App when you first use it?

What material is the watch strap made of? How do you maintain it?

Why can't you connect? Unable to pair?

How is the alcohol concentration detected?

What is the battery capacity of the watch? How long does it take to fully charge? What is the normal standby time?

How to conduct alcohol testing properly?

How to measure temperature properly?

Will the Bluetooth reconnect after it is disconnected?

How long does the watch store detection data?