TW64 Smart Wrist Band TW64 Smart Bluetooth Wrist fitness Band made up of TPU polymer composite materials, containing features like light, high damage & high resistance with optimum quality features having Pedometer, Calorie Counter, Sleep Monitor, Time Display, Important event remainder, water, medicine, Custom meeting. Etc.), call Remainder, message, Reminder, Clock Display, Sedentary Remainder, messages Remainder, Perfectly suitable for Sports person. Functions: Main Screen: 0.49 inch LED screen Working Volt: 3.0 V Pedometer Frequency: 0~99,999 pace/rate Distance Display: 0~999.99 Km or 0 ~ 999.9 Mile Calories Intake Calculation: 0 ~ 9999 Time Display: 24 hour Alarm Clock: YES Call Remind: Vibration remind Data Storage: 7 days Stand by time: 14 days Memory: 64KB ROM & 64 KB RAM Battery: 40 mAh Connectivity: Connect your device with your Smartphone by scanning the QR code by using QR code application from Google play store. How to synchronize with Smart Phone to operate: First Scan the QR code with the help of QR code scanner app and after that follow the link to download the "Get fit" app and get connected with the Bluetooth device i.e. TW64 How to Use: The buckle is placed above the button hole, and adjusts its position, so that the elastic bracelet is compatible with your wrist. Using your thumb and index finger and ring buckle until you hear a slight clicking sound. If two buckles completely embedded button hole, then hand ring in fastened state, and then put on the bracelet again. Record all these assets of yours: Walking Steps, Walking Distance, Consumption of Calories, Sleep time Note: IOS doesn't support call remind & message remind. Remove band when having a shower and swimming.