child smart wristbands touch control sports tracking health monitoring information push pedometer heart rate monitoring clock pgraphy

product description: 1. this product only supports ios and android. 2. the product users are children, adults and the elderly. 3. basic functions: motion recording (step counting, distance, calorie counting), motion mode, message push, information storage, heart rate monitoring, sleep monitoring, oxygen saturation measurement, satch, full-word library language, color screen display, tricolor lamp respiratory effect 4. packaging list: bracelets, instructions, chargers