1. Please confirm whether the touch position is correct. The sensing position is the surface of the all-aluminum shell, excluding the LED light at the end. Please note that if you touch the printing or sticker on the aluminum shell, the induction may not be sensitive.
2. Please confirm the power of the device. If the power is too low, it may cause the security key to be insensitive.
3. If the tail light does not give any light, please contact us.