Note Non medical equipment The health test function is for reference only and cannot be used for medical purposes Specification Brand Senbono Model ZL54CJ bluetooth Version BT5 2 Compatible OS Support Android 5 0 and above Apple IOS 9 0 and above Operating Mode Full Touch APP Name Da Fit System Language Chinese Traditional Chinese English German Korean Spanish Japanese French Russian Arabic Ukrainian Italian Portuguese APP Language Arabic Bulgarian Czech Danish German Spanish Finnish French Hindi Croatian Indonesian Italian Japanese Korean Norwegian Dutch Polish Pashto Portuguese Russian Swedish Thai Ukrainian Vietnamese Simplified Chinese English Traditional ChineseSpecial Features Information Reminder bluetooth Call Call Reminder Message Reminder APP NotificationHealth Heart Rate Monitor Blood Pressure Monitor Blood Oxygen SpO2 Monitor Breathe Training Sleep Monitor Sedentary Reminder 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 IP67 Screen Size 1 83 inch Resolution 240 284 pixels Battery Battery Capacity 230mAh Standby Time About 10 15 days Using Time About 5 7 days Charging Time About 2 3 hours Charging Type Magnetic chargingAppearanceDetails Material Band Material Anti static Silicone Strap Watch Case Material Plast