After testing the VPSTAY Fitness Tracker for 2 weeks, I'm torn between its impressive features and minor frustrations. Here's the real deal:

The Good: The 1.47" touchscreen is surprisingly responsive, and I love customizing watch faces with my vacation photos. Battery life? Solid 5 days with heart rate tracking ON. The IP68 rating held up during my sweaty gym sessions and accidental dishwashing moments.

Health Tracking: Heart rate monitoring seems accurate compared to my doctor's office readings. But the sleep tracking...oh boy. It claimed I had 'excellent' sleep when I distinctly remember midnight snack runs. The blood oxygen readings are handy though, especially during hikes.

Sports Modes: Used it for cycling and yoga - step counting is decent but sometimes misses short walks to the fridge. The calorie burn estimates seem optimistic (I wish!).

Annoyances: Syncing with the app can be glitchy - sometimes requires Bluetooth gymnastics. And yes, finding replacement bands is like hunting unicorns. The Celsius/Fahrenheit mystery remains unsolved in the manual.

Verdict: For under $50, it's a steal if you want basic tracking with a pretty screen. Just don't expect medical-grade accuracy or seamless connectivity. Perfect for casual users, frustrating for data perfectionists.