Looking for a good remote and app controlled vibrator

I bought my wife a remote controlled vibrator. She was really excited to try it out but unless the remote (or the phone) were basically within a foot of her, it didn’t work. It was pretty disappointing. But seeing how excited she was about the idea, I’d like to try again. Something with good range, or even one that connects through the internet or something so I can tease her when I’m at work. Any suggestions?

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