The Alfawise R8C smart bracelet will live a smarter life with you. The bracelet can help you record all your activities in the day, calculate the distance you walk and calories burned, take care of your health, monitor your sleep, remind you to have a rest and track your steps, mileage, and calories for high-quality sports. You can charge the bracelet at any USB port after taking the wristband off. A perfect gift for your lover, parents, and friends, etc.