A:Answer Troubleshooting Earbuds: Keep holding the power button down until you see a blink of red and green - this means it is searching for a device to pair. Then you can pair it with your phone.
Troubleshooting your phone Bluetooth connection: if u r having issues connecting to Bluetooth then go to Bluetooth settings and press forget the Bluetooth device, Switch off the mobile, switch it on, then once you keep your Bluetooth headphones in a search mode you can see the name of that headphones on your mobile Bluetooth list, then simply pair it by pressing on the device name on mobile and then pressing the button on your Bluetooth device if required