Porodo Trackfit Pro Smart Bracelet Fitness Tracker with Display App

Porodo Trackfit Pro Smart Bracelet Fitness Tracker with Display App Material: Zinc Alloy+ IBS + Plastic Battery Capacity: 145mAh Flash Memory: 512kb (ROM), 32Kb (RAM) G-Sensor: SC7A20 Heart Rate Sensor: Tianyi 3918 Bluetooth Version: V5.2 Chip Model: PAR2860 Working Time: 10 Days Standby Time: 15-20 Days Charging Time: 2 Hours Charging Type: Magnetic Charging Water Resistance Level: IP68 Operating Temperature: 0°C to 50°C Compatibility: Android 5.0+, iOS 10.0+, BR fit Case Thickness: 9.5mm Case Width: 24.5mm SKU: PDS18BK | PDS18PK | PDS18SL EAN: 6284302772832 | 6284302772900 | 6284302773068 Features Multiple Exercise Tracking Mode 10 Days Working Time Bluetooth 5.2 Activity Tracker Water Resistant Digital Screen 7-Day Stress & Pressure Measurement 4-Day Sleep Score, Ratio, & Analysis Record 7-Day Heart Rate Variability Record 7-Day Blood Oxygen Levels Monitoring & Trends