Razer Blackshark V2 PRO

I recently got a new pair or razer headphones but i cant seem to find the bluetooth device after searching it up and trying it for quite a while anyone knows any tricks?i tried to connect my razer blackshark v2 pro to my iphone 13 but i cant pair it as it doesnt even show up in the bluetooth devices also i followed the instructions to close it first then on it until it shows bluetooth pairing mode but i couldnt find still anyone knows any tricks or anything that can help me?i cant even find it on my laptop the only thing i can use is bluetooth