1.85-inch high-definition large color screen, narrow borders and comfortable screen resolution, bring you a different visual experience Using the Realtek8763EW chip, no matter the graphics processing or computing speed is many times higher than the general Bluetooth watch chip 24-hour heart rate detecting, infrared blood oxygen monitoring, scientific sleep monitoring, etc., carry out tracking analysis monitoring technology, scientifically manage your healthy life Built-in 24 professional sports modes, whether it is running, cycling, climbing, swimming, etc., it will follow your progress, record sports data in detail, let you know your sports effect more clearly Specifications: <tbody> Structure screen size 1.85inch square screen screen type TFT Bottom shell material ABSandPC Middle frame material Zinc alloy, vacuum plating Shell material Glass Wristband Material Silica gel strap size 22cm silicone Size Product Size 54mm39mm10.9mm product weight 50.3g Hardware main chip Realtek8763EW Accelerometer Sitronix STK8321 PPG heart rate sensor LC11S touch IC Hynitron 816D touch full touch motor flat motor display 1.85inch square screen Resolution 240286 Flash size 128M Bluetooth version BLE5.0 Bluetooth antenna Bluetooth Antenna FPC Battery Type lithium battery battery capacity 280mAh operating hours Standby for 30 days, use for about 7 days. 2 hours charging speaker 0916 Hi-Fi Speaker charging method Magnetic line charging Language Bracelet support language Russian, Indonesian, German, Italian, Czech, Japanese, French, Polish, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean, Dutch, Hindi APP display language English, Russian, Indonesian, German, Italian, Czech, Japanese, French, Polish, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean Bracelet push language English, German, French, Italian, Greek, Latin, Spanish, Portuguese, Romanian, Polish<br/>Russian, Ukrainian, Ruthenian, Belarusian, Bulgarian, Serbian, Macedonian, Croatian, Bosnian, Hindi, Sanskrit, Nepali, Cambodian, Vietnamese, Lao, Persian , Kurdish, Pashto, Punjabi, Turkic, Berber, Malay, Turkish Health monitoring Heart rate detection support Heart rate timing monitoring support 24 hours continuous heart rate blood pressure detection support blood pressure monitoring not support Blood oxygen detection support Infrared True Blood Oxygen blood oxygen monitoring not support sleep monitoring support Standard features Step count support Movement distance support Calorie consumption support Raise your hand to brighten the screen support Turn your wris