i have a sentry BT825 headphone bluetooth. I was able to use it yesterday for a few hours but when I tried to pair it with my S7 edge my headset won't power up and won't connect with my phone. i tried to reboot my phone hoping the bluetooth will somehow pair with the headset but when I pressed on the power button, the headset won't turn on and it is not connecting with my phone. The headset is fully charged , nut no mattwr how many times i press on th power button, the headset won't power up and won't connect and wont let me pair it with my Galaxy S7 edge phone. How can I reset my headset to pair it with 2S7 edge phone?