Fitness Tracker HR, Activity Tracker Watch with Heart Rate Monitor, Waterproof Smart Bracelet with Step Counter, Calorie Counter, Pedometer Watch for Kids Women and Men

alarm, low battery alert, remind SMS (SMS information display), goal attainment, health data sharing, lift wrist display, remote camera, countdown Sensor Kionix Gravity-sensor HR sensor Silicon labs CPU Chip Nordic Bluetooh chip(Bluetooth 4.0 BLE) Vibration yes Waterproof daily waterproof Screen Size                                                                                                                  0.96'' Screen Type OLED Bluetooth BLUE Bluetooth 4.0 Sync ""Outlook & Material"" TPE&PC Size 249*19*12mm Color black, blue,orange,gray, purple Other  Touch key Battery 90mAh Lithium Polymer Battery Standby Time  10-15 days Charging Jacket charging Charge Time About 1 hour Standard Packing 1 smart bracelet, 1 charging line,1 user manual, 1 packing box RTC display, heart rate monitor, pedometer, calorie burning, distance, automatic sleep monitoring, sedentary reminder, hang up，reminder (caller ID and name), alarm, low battery alert, remind SMS (SMS information display), goal attainment, health data sharing, lift wrist display, remote camera, countdown