How do I pair my wch500?

Hello there, I'm having a bit of trouble with my wch500 device. I'm trying to pair it with my smartphone or computer, but I'm not quite sure how to go about it. Could you please guide me through the process step-by-step? Is there a specific app I need to download, or are there certain settings I need to adjust on my device? I'd really appreciate your help with this, as I'm quite new to this whole cryptocurrency and finance world. Thank you in advance for your assistance.