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How to paring two i9s TWS earbuds together?

1. Long press left and right button together until two LED light flash red and blue alternately.

2. Long press right side button, wait one LED light flash red and blue alternately, have a voice prompt that it is "ready to pair" 

3. Turn on the “Bluetooth” on your cellphone and choose “tws-i9s” on your list, and the LED flash slowly in blue when connected. There would be reminding voice saying ”connected”

How to use i9sTWS earbuds separately?

1. Long Pres multifunctional button one of side until two LED light flash red and blue alternately.

2. Turn on the “Bluetooth” on your cellphone and choose “tws-i9s” on your list, and the LED flash slowly in blue when connected. There would be reminding voice saying ”connected”

How to fix i9s TWS earbuds Bluetooth pairing problem?

1. Make sure Bluetooth is turned on. Check the Bluetooth symbol at the top of your phone’s screen.

2. Make sure i9s TWS and your phone in the paring process.

3. Make sure i9sTWS earbuds close to your mobile phone.

4. Delete the old Bluetooth connection. In iOS settings, you can remove a device by tapping on its name and then Forget this Device. In Android settings, tap on a device’s name, then Unpair. After removing a device, start at step 1 on this list.

5. Turn off your device and try again.

6. Charging i9s TWS and you smartphone

7. Delete i9s TWS from your phone and rediscover it

8. Get away from the WiFi router

9. Updating firmware

10. Clear the Bluetooth cache (Android device only). Sometimes apps will interfere with Bluetooth operation and clearing the cache can solve the problem. Go setting > Backup and restart > Reser networking settings.

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