When adding a fingerprint for the first time, press and hold the fingerprint sensor for 3 seconds to see the blue light on, then release your finger and the green light flashes. After the green light flashes, a new fingerprint collection starts. After ten successful captures, the green light is always on, indicating that the current fingerprint capture is successful (the blue light is short on each time the fingerprint is captured, indicating that the fingerprint capture is successful. The 10 captures must be the same finger that completes 10 fingerprint captures from different angles. Otherwise, it will cause The unlocking is not sensitive, and 10 fingerprints can be unlocked this time. It is safe and reliable, and it can be opened with one touch. Your finger is now your password. The fingerprint ID function brings a safe and private method for device unlocking and authentication. New method. (up to 10 fingerprints can be recorded) USB charging, with low power consumption and long standby time, a 300MAH polymer physical battery, the longest standby time can reach 2 years, and the maximum unlocking times can reach 2500 times.