N18 smartwatch music watch headphone 2-in-1 call watch bidirectional call NFC function heart rate detection ultra long standby for Android and iOS including headphones

BLE connecting devices and pairing. 1 BLE connection: In the device interface of the APP, click Bind device immediately', then click Connect'. After successful connection, the Bluetooth successful connection symbol can be seen on the APP and under the device model. If the disconnected symbol is displayed, it indicates that the connection is not successful. Please try again. After successful connection, data and time will be automatically synchronized. 2 After the first successful connection, the device will automatically connect when turned off, disconnected after leaving the signal range, and then returned to the vicinity of the host. 3 Connect the APP to the second or third device Please unbind the device on the app before connecting to the device. Instructions and precautions for using Bluetooth earphones. 1. Indicator light. A. Power on indicator light: After the earphones are removed from the bracelet compartment, they will automatically turn on, the light will flash once every 1