Sorry to hear about the difficulty. Try and unpair or "forget" Jade in the device Bluetooth settings and then reconnect your Jade via Bluetooth and see if it will now pair with Blockstream Green.

More help here ⬇️

https://help.blockstream.com/hc/en-us/articles/4406185830041-Why-is-my-Blockstream-Jade-not-connecting-over-Bluetooth-