Best Buy Capital, the corporate venturing unit of US retailer Best Buy, has led the $5.5m series B round for local mobile health and fitness company Valencell.
Venture capital firms TDF and True Ventures reinvested in the B round for Valencell, which makes headphones that allow people to hear music while monitoring the fitness of the user.
Started in 2006 and seeded by the three founders, Valencell previously raised a series A round of $1m and has been awarded more than $3m in grants.