Features: 0.96 inch TFT color screen, multiple dials switch at will. Automatically monitoring of body temperature 24 hours, abnormal temperature alarm. AI electrocardiogram analysis report, screening of dozen kinds of heart disease. Accurate ECG+PPG monitoring, monitoring of blood pressure, heart rate, blood oxygen saturation, respiratory rate and sleep condition. Equipped with 3-axis motion sensor, intelligent record steps, distance and calorie. USB direct charge, not need charge cable. 130mAh battery, low consumption, long standby time. IP67 waterproof, support cold water of hand washing, shower and swimming, but not hot water. Call and message vibration reminder, raise your hand to view. Other functions of find bracelet, alarm clock, sedentary reminder, phone anti-lost, etc. Specifications Material: PC + Zinc alloy + TPU Color: Black, Red, Yellow, Blue, Green (optional) Master Chip: NRF52832 Screen: 0.96 inch TFT color screen Sensor: ALS-PD70 3-axis sensor BT Version: 4.0 Manipulation Mode: Touch screen and mobile App control System Supported: Compatible with Android 4.4 or above, IOS 8.0 or above Charge Time: 2h Use Time: 5-7 days Standby Time: 30 days Waterproof: IP67 Battery Capacity: 130mAh Packing Packing include:device, manual, packing box,certificate of qualification weight:The bare machine weighs 24G and the whole machine weighs 107g. Deivce Szie:26*2.1*1.28cm( L*W*Thickness) Box and carton Size:"140*85*25mm, device weight 30g, total weight 107g. Carton:60pcs/carton Size:weight: 6.5 kg.