1.Real-time control of body temperature changes: click the touch button of the bracelet to switch to the temperature interface, long press to measure, no complicated settings, elderly and children can easily operate. 2.Accurate measurement of upgraded chips: using superb process sensors, automatic collection of multiple sets of body temperature data data is more accurate and measurement is more at ease. 3.Private teaching assistant & multiple sports modes: satisfy your desire for professional sports data, and the cutting-edge algorithm monitoring makes the data more accurate. Sophisticated design and fine craftsmanship give the bracelet IP67 dust and water resistance, so you can wear it with ease when you wash your hands or rain. Specifications: Color:Blue,Black,White,Pink,Red,Lilac purple(optional) Material:TPU Size:4 * 2 * 1 cm Battery type: lithium polymer battery Battery capacity: 90mAh Bracelet full length: 240mm full length Waterproof rating: IP67 Wearing method: wristband Mode of operation: touch Interface: USB 2.0 Wireless distance: 5m (inclusive) -10m (inclusive)