The World's First Interchangeable Battery Wireless Earbuds?

This is their slogan:

“Silence the outside world and let the sound in your heart, it is by far the most advanced earbuds we’ve ever made. Its Active Noise Cancelling reduces unwanted sound with superior precision. The World’s First Interchangeable Battery Wireless Earbuds gives you total freedom while doing all sports, you can run, and sweat freely with your earbuds. Giving you the opportunity to enjoy your tunes for a full day on the go! And a case so compact that it fits effortlessly into your pocket. PQ is your perfect workout companion – designed for a life in full motion. Available in many popular colors with metal & plastic!

Customized service makes your earbuds more personalized!

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And I got one is really nice !!