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The Vi [0] headphones / AI running trainer had heart rate sensors. AFAIK they were optical though, similar to wrist devices. [0] https://www.businessinsider.co
by cassianoleal 2y ago
The Vi [0] headphones / AI running trainer had heart rate sensors. AFAIK they were optical though, similar to wrist devices.
[0] https://www.businessinsider.com/guides/tech/vi-sense-wireless-headphones-review https://www.businessinsider.com/guides/tech/vi-sense-wireles...