New NK09 Round Screen Multi Function Smart Bracelet Heart Rate Stopwatch Timer Sports Waterproof Yoga Exercise Watch

Color: black, silver, pinkMaterial: zinc alloy + plastic two-color moldMain chip: Huiding 5515Memory size: SRAM: 128K SPI FLASH: 128MG-sensor model: SC7A20Heart rate sensor model: Tianyihexin 3300Display specification: 1.32-inch circular color screen, resolution 360*360Button mode: multi-touch screen + physical buttonWaterproof grade: IP67 (IP68 can be customized)Battery capacity: 200mAhCharging head specification: 1A or below 1ACharging method: Magnetic chargingBluetooth type: Bluetooth 5.0System requirements: IOS8.0 and above, Android4.4 and aboveStandby power consumption: 30 days in standby, 3-5 days in normal useBand display language: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, PortugueseBracelet push language: English, German, French, Italian, Greek, Latin, Spanish, Portuguese, Romanian, Polish, Russian, Ukrainian and other languagesAPP languages: English, Arabic, Danish, German, Spanish, Finnish, French, I