To pair your OS HEADPHONES Please follow these instructions:
1. Long press the power button on both the earbuds at the same time until the led lights start to flash in blue and red alternately.
2. Double press one of them, you should hear a voice prompt that it is ready to pair.
3. Please turn on the Bluetooth on your device and choose i7TWS on your list.
4. Once connected, The led flash will be flashing slowly in blue