S9 Bluetooth activity tracker Rfid Step Counter Bracelet

S9 Rfid Step Counter Bracelet is a smart watch bracelet for you, especially for sports and health lovers !
Do you know how many steps you take, how many calories you consume, and how far you run? Don't worry, when you wear the bracelet to do exercise, such as walking ,running and bicycling .All these data can be synchronized and analyzed on your mobile phone which helps you plan your exercise time and amount more reasonably. It comes with TPU adjustable wristband, giving you a skin-friendly, breathable feeling. When you sleep, it will monitor your sleep. It can also wake you up by vibrating gently.