The 2014 annual new product launch conference officially released the Xiaomi mobile phone 4. In comparison, the Xiaomi bracelet, which costs only 79 yuan, seems to be just a supporting role. However, when Xiaomi bracelet was released, Lei Jun promised a grand vision of smart home, making Xiaomi bracelet not only a supporting role, but a key to smart home. In terms of packaging design, Xiaomi bracelet still continues its consistent style. Simple cattle