Note Non medical equipment The health test function is for reference only and cannot be used for medical purposes Specification Brand LOKMAT Model ZEUS 4 PRO bluetooth Version BLE5 2 BT3 0 Compatible OS Support Android 4 4 and above Apple IOS 9 0 and above Operating Mode Full Touch APP Name DaFit System Language Simplified Chinese Traditional Chinese English Russian Indonesian German Italian Czech Japanese French Polish Portuguese Spanish Arabic Korean Dutch Hindi Malay Chinese Vietnamese Hebrew Thai APP Language Simplified Chinese Traditional Chinese English Russian Indonesian German Italian Czech Japanese French Polish Portuguese Spanish Arabic KoreanSpecial Features Information Reminder bluetooth Call Call Reminder Message Reminder APP NotificationHealth Heart Rate Monitor Blood Pressure Monitor Blood Oxygen SpO2 Monitor Body Temperature Detection Breathe Training Women s Health SOS Function Sleep Monitor Exercise and Record Multiple Sports Modes Calorie Distance Step Count Application Music Control Camera Control Alarm Clock Stopwatch Weather Custom Dial Dial Market Brightness Adjustment Find Phone Do Not Disturb ModeTechnical Parameters Waterproof 5ATMIP68 Screen Size 1 43 inch Resolution 466 466 pixels Battery Battery Capacity 500mAh Standby Time About 20 25 days Using Time About 10 15 days Charging Time About 2 3 hours Charging Type Magnetic chargingAppearanceDetails Material Band Material Environmental Silicone Watch