A wearable that critiques your life choices sounds either brilliant or deeply unsettling, depending on your personality. Oppo went ahead and built one anyway. Alongside the Find X10 series launch, the company announced the AI Heart Ball, a clip-on device it describes as an “AI growth coach.” It’s available for trial in China at 499 yuan, roughly $75, with user sign-ups opening now.
The hardware itself is genuinely impressive for the size. At 9.8 grams, you’d barely notice it clipped to your collar. Battery life runs up to 24 hours, and the microphone picks up audio from as far as 5 meters away. So you’re not stuck leaning into it like some awkward 90s hands-free kit. It just sits there, listening.
And that’s exactly what it does. The Heart Ball tracks your day in real time. It keeps you focused on tasks, reminds you of commitments you’ve made, flags potential risks it picks up from your conversations, and reviews your past decisions with you so you can see what actually worked and what didn’t. Think of it as a very patient friend who never forgets anything you say.
Under the hood, it runs on Oppo’s PersonaX Memory Symbiosis Engine, which combines voiceprint recognition, information linking, and memory evolution algorithms to get smarter about your habits over time. The O-Mind bionic behavioral deep thinking algorithm takes everything the device hears and turns it into actual suggestions, not just a transcript. That’s a meaningful distinction. Nobody wants to read a log of their own day.
Oppo is also opening the Heart Ball’s MCP ecosystem to developers, which could push this beyond what ships out of the box. The bigger the developer community, the more useful the wearable becomes long term.
Still, the obvious question with any always-listening device is privacy. Oppo says the Heart Ball uses its PCC private computing cloud with end-to-end encryption across storage, transmission, and processing. The company also says it doesn’t retain user recordings. Those are the right answers. Whether you believe them is a personal call.
The AI wearable space is heating up fast, with products like the Humane AI Pin and Meta’s Ray-Ban glasses already testing what people will actually wear and trust. Oppo entering this space with a $75 trial price and a clear focus on behavioral coaching is a smart angle. It’s not trying to replace your phone. It’s trying to make you better at using your brain. Whether that’s useful or creepy probably depends on your Thursday.