[citation needed] Doppler Labs later relocated to San Francisco and designed and manufactured in-ear computing technology, including earplugs and wireless earbuds.

[10] Ultimately, due to its inability to mass-produce and sell product, Doppler was unable to raise more capital to fund its continual losses,[5][11] and ceased operations in 2017.

[15] Prior to founding Doppler Labs, Kraft was a strategic consultant for Google working for John Hanke on a mobile game called Ingress.

[18] He has appeared in The Wall Street Journal, The New York Times, Rolling Stone, and Wired and was profiled in Fast Company's "Doppler Labs and the Quest to Build a Computer for the Ears".

[19] Kraft has been recognized for product innovation by Inc. Magazine’s Game Changing Inventions of 2015,[20] TIME Magazine's best inventions of 2015,[21] SXSW’s "Best of Show" and "Music and Audio Innovations" awards in 2016,[22] the Cannes Lions International Festival of Creativity Gold for Product Design in 2016[23] and through Here One's induction into the Smithsonian Institution's Cooper Hewitt Museum in New York City in 2018.