Pairing wireless headphones skull candy

for some reason my wireless Headphones won’t pair with my iPhone 7. My iPad picks the headphones up instantly. when I go into Bluetooth it just keeps clocking and then says make sure the headphones are turned on and within range. They are always on what I try and right next to my phone. I also tried using the forget this device, but now they don’t even show under Bluetooth where my watch and car show up. Any suggestions be welcomed.