This wristband supports most mainstream phone's Bluetooth connection in the market
DISPLAY HEALTH PARAMETERS - This Black Smart Bracelet can display the time, steps, distance and calorie clearly. Let you know your sports data right now! Accurately monitor total effective sleeping time and motions every night.
SEDENTARY REMINDER - Take a rest to avoid fatigue! Our smart bracelet has sedentary reminder function to keep fit.
APP- You can scan QR code on the instructions and download APP in the Google Market or the Apple Store.
Returns and warranty - 1 month unconditional return warranty and 1 year free warranty. If you have any questions about the product, please contact us.