Probably got used. Its not like the links are only available to you. They are available to everyone (if they get the right combination)
i think fit bit is cracking down on their se
Buy them at your own risk
Proof
http s://gyazo.com/b19 ee9cb2f039bdd309a2f6dbedc2a79
i brought 10 links a week ago and 2 worked and when i tried a couple days later i got this message i keep trying to access it but stuck on that screen i messaged the supplier but i got no reply for the last 4 days
you just said you received 2 that means it works