On an unseasonably hot Wednesday at the end of May, a little voice in my head was telling me to run faster. “It’s time to get your heart rate up,” she told me. This wasn’t my inner masochist, like it usually is. On this particular run, it was the voice of Vi, a digital assistant baked inside a pair of prototype in-ear headphones.

Vi is the first consumer product from wearable technology company LifeBeam, which has provided the tech backbone for products from Samsung, Under Armour, and JBL, among others. Now LifeBeam is partnering with Harman/Kardon for Vi, which debuts on Kickstarter on Wednesday.

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