Here is a pair of smart sunglasses that gives you surround sound experience on the go. Mutrics glasses allow you to take hands-free calls. They also combine with Google & Siri and offer activity tracking. The lenses are replaceable too.
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Mutrics has 3 buttons to control power, calls, and music. Thanks to Bluetooth 5.0, you get a wireless range of 20 meters. More info is available here.
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