Stereo Headphone s460 stop working

Hi, I've problem with my bluetooth speaker name " stereo headphones ".

I usually use this headphone almost everyday.

So here the problem. For a few hours ago it's works well but when i start to going far from my phone to do some work its stop working. When i want to turn off my headphone bluetooth it's not working its stay turn on and i try to find the device to connect it but no .. i can't found it. I don't know what to do then i search your web and follow the step but unfortunately my headphone is not same as beats headphone. I try open it like you did and i found a green thing like micro cip /mothercip or something. I really don't want to do and where i can send it to repair my headphone. Should I just throw it..?? Can you help me ??