Specification Brand Zeblaze ModelStratos 3 Ultra GPS Positioning 5 Satellite Positioning Systems Dual band GNSS GPS GLONASS GALILEO QZSS BDS Assisted GPS for fast fix times Bluetooth Version BT 5 3 Operating Mode Full Touch Compatible OS Android 5 0 or iOS 11 and above APP Name Zeblaze Fit ReviewShare Your Activity Sync Workout Data to Apple HealthStrava UI Language English Português Русский Deutsch Français Italiano Español Türkçe Polskie Tiếng Việt Arabic 简体中文 APP Language English Português Русский Ukrainian Deutsch Français Italiano Español Türkçe Polskie 日本語 한국인 Indonesian Push Language English Português Русский Deutsch Français Italiano Español Türkçe Polskie Tiếng Việt Arabic 简体中文Special Features Information Reminder Call Reminder Reject the Call Message Reminder APP NotificationsHealth Activity Tracking Activity Record Step Counter Standing Move Bar Displays on device after a period of inactivity of inactivity Walk for a couple of minutes to reset it Auto Goal Learns your activity level and assigns a daily step goal Calories Burned Real time PaceDistance Wrist based Heart Rate Abnormal Heart Rate Alerts Step Standing Calories Burned Real time Distance Wrist based Heart Rate SpO2 Blood Oxygen Level Measurement Stress Level Sleep stages including REM Sleep schedule Sleep Score and Insights Breathing Exercise Menstrual Cycle Tracking Sports Features Sports Modes 120 Outdoor Running Treadmill Wa