Hi @Gpro46 it's still being supported, but no longer sold. You can learn more about setting up here - click to read
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A warm welcome to the forums @Gpro46.
Thank you for taking the time to share the inquiry regarding the Charge 4.
I'm not sure if you are still having difficulties setting up your device. Please, follow the requirements listed here to connect the device.
Thanks @Odyssey13 for helping.