Specification Brand Zeblaze Model GTR Bluetooth Version BT 5 1 Compatible OS Android 4 4 or above IOS 9 0 or above Operating Mode Full Touch APP Name H Band APP Language English Português Brasil Português Portuguesa русский Español Italiano Français Deutsch Türkçe Čeština Polski ภาษาไทย 日本語 한국어 Arabic Persian Tiếng Việt Message Push Language Chinese Japanese Korean Latin Cyrillic Latin includes English French Spanish Portuguese German Dutch Vietnamese Northern Europe Central Europe Southern Europe Italian Southeast Asia Africa Siri Irvine includes Russian Eastern Europe Asia covering 150 countriesSpecial Features Waterproof 3ATM Waterproof 24h Heart Rate Monitor Support Blood Pressure Monitor Support Female Cycle Tracker Support Multi sport Modes Support 10 professional sports modes Pedometer Support Call or Message Reminder Support APP Notification Support Call ID Display Support Alert Type Vibration Auto Light up Screen Support Countdown Stopwatch Support Multi watch faces Support Camera Remote Control Support Music Control Support Weather Forecast Support More Functions Support Alarm Calendar Sedentary reminder Anti lost Steps Tracking Calorie Burn Tracking Daily Steps Goal Real time Pace Distance Goal Celebrations Reminders To Move One click Reject Mute Alarm Clock Find Phone Turn Wrist DetectionTechnical Parameters Sensor G sensor Heart Rate Sensor Screen Size 1 3inch Type IPS Resolution 240 240pixels Battery Battery Ca