Oaxis Star.21 and O2 fitness trackers at MWC 2015

GSMArena.com (blog)Oaxis Star.21 and O2 fitness trackers at MWC 2015GSMArena.com (blog)The fitness tracking accessories have grown exponentially throughout the last year and we've already lost track. Well, that's why industry events such as the MWC are so important. It turns out, the Oaxis Star.21 is an innovative fitness band, while the ...