Use wechat scan QR code < / P > < p > to share with friends and circle of friends < / P > < p > < a target = "_ blank" href=" https://news.163.com/news/search?keyword=%E8%B0%B7%E6%AD%8C "> Google < / a > said on Thursday that it has completed the research on wearable device manufacturer < a target ="_ blank" href=" https://news.163.com/news/search?keyword=Fitbit "> Fitbit < / a > Inc's $2.1 billion acquisition.