Bluetooth call andamp Bluetooth music control andamp Bluetooth camera: The watch supports Bluetooth calls, Bluetooth music control and Bluetooth camera function, bringing more convenience HD large screen: 1.43" AMOLED high-definition resolution (466 x 466) display screen, gives you a larger and clearer visual experience Health monitoring function: 24-hour continuous heart rate, 24-hour precise sleep monitoring, red blood oxygen, HRV, Lorenz scatter plot, METs, female health, blood sugar, respiratory training, stress testing function Practical functions: 100and sports mode, small games, timer, calculator, voice assistant, flashlight, split screen UI, etc. Specifications: <tbody> Function Bluetooth call, Bluetooth music playback control, Bluetooth camera 24-hour heart rate monitoring, precise sleep monitoring, blood oxygen saturation monitoring, HRV, Lorenz scatter plot, Mett, reminders for predicting menstrual and ovulation periods, blood pressure monitoring, blood sugar, stress testing, respiratory training Temperature function Activity: Step count, calories, distance Information notification, weather, alarm clock, stopwatch, timer, flashlight, search phone, voice assistant, computer, mini game Sports modes: running sports, cycling sports, outdoor sports, dance sports, indoor sports, combat sports, ball sports, water sports, leisure sports, chess and card sports, etc Do Not Disturb mode, APP download, multiple dial switching, turning the wrist to turn on the screen, turning the wrist to turn off the screen, brightness adjustment, switch settings, local time setting on the watch, constant on display UI language support Default languages (English): Chinese, Japanese, English, German, French, Italian, Spanish, Portuguese, Russian, Indonesian, Romanian, Arabic, Arabic Parameter specifications screen size 1.43-inch AMOLED resolution ratio 466x466 system requirements Android 5.1 and above, IOS 8.2 and above, supporting Bluetooth 4.0 Bluetooth version Bluetooth 5.3 master chip JL7013A Heart rate chip GH3018 G-Sense KX1057 Battery capacity 230mAh Body memory SRAM: 640KB and ROM: 2M External memory 128M standby time 10-15 days standby time 5-7 days Constant battery life 2 days Charging method Magnetic suction charging motor Built-in, vibration reminder material quality Aluminum partsandplastic Watch size 43.7mmx11.8mm Band Width 22mm APP or APK download method Android and for Apple Store Search: Hband < or tbody>