描述
This smartband is made by TPU Polymer composite materials,containing features like light,high resistant and high damage resistance. Light as feather, with advanced coloring and never fade,you are confortable while wearing smartband which made with ergonomics,tested with 48 different position. 4.0 version Bluetooth,using international first-line sensor,it will be a good one has accurate data synchronization,miss no in-calling and accurate calculation of sport and sleep
