Hardware parameters: Display screen:2.01 inch TFT high-definition,240*296pixel CPU:CPU: Torch Core AT3085 Location:Core and Material 1165W Six-system Positioning: GPSGLONASSBig DipperGalileoQZSSIRNSS touch:2.5D Full screen touch Key:two Button encoder Bluetooth:BLE5.3 Heart rate sensor:VC30FS G-sensor:SC7A20 Speaker:A 0815 Standby time:45days work time:5-7days battery:420mAh System support:Andrews 4.4 above and IOS 9.0 above5S above Support:Heart rate monitoring,Compass,Saiwei algorithm,motion recognition,One-click link,SpO2,bright adjustment,Breathing exercise,Voice assistant,Raise the hand on the screen,SMS,QQ WeChat FacebookLineWhatsApp and other reminders,Multiple sports modes-178+ species,Weather,Flashlight,Clock display,Alarm clock-Vibration reminder,SOS,Calculator,watch password,Female Menstrual Cycle,music,Versatile dial,Dial wallpaper,Stress,Sedentary reminder,Do not disturb mode,Find the bracelet,Remote photography,Sleep monitoring,Step distance Calorie.Bluetooth call-support 100 NO. Material:Body: PC+ABS Metallic paint strap: silica gel Machine size:48.8*40*12.2mm Strap size:22mm*225mm waterproof level:IP68 APP Danish, Ukrainian, Urdu, Russian, Bulgarian, CroatianGerman, Hungarian, Bokmal, Norwegian, IndonesianTrkiye, Bengali, Hebrew, Greek, German, ItalyChinese, Czech, Slovak, Slovenian, Japanese, FrenchPolish, Persian, Thai, Simplified Chinese, Traditional Chinese, RomaniaChinese, Finnish, English, Dutch, Filipino, Portuguese, SpanishJavanese, Vietnamese, Arabic, Korean, Malay.