--Product parameters: Screen: 1.9" square screen IPS LCD Resolution: 280*320 Battery: 260mAh Waterproof: IP67 APP name: H Band Hardware parameters Bluetooth version: BLE 5.1 System requirement: IOS9.0 or above, Android4.4 or above --Software function: Step counting, distance, calories, heart rate/ blood oxygen/ blood pressure/ blood sugar/ body temperature/sleep monitoring, music playback, stopwatch Timing, calculator, weather display, women's menstrual period function, remote control camera, raising the wrist to brighten the screen, looking for mobile phones, etc. Incoming call reminder (caller number/name display), message reminder, alarm clock reminder, sedentary reminder, heart rate alarm reminder, Bluetooth disconnection reminder,Wake up (requires APP to be opened), etc. Multiple dials: 3 default dials + 1 market dial + 1 custom dial --Language： Languages supported by the watch: Simplified Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Portuguese, Turkish, Hungarian, Brazilian Portuguese, Ukrainian Languages supported by APP: English, Simplified Chinese, Traditional Chinese, Korean, German, Japanese, Russian, Spanish, Italian, French, Vietnamese, Portuguese, Persian, Polish, Turkish, Czech, Slovak,Hungarian Arabic Package Included 1*Smart Bracelet 1*Charging Cable 1*User Manual After receiving the watch, please charge it first. Due to the long-term logistics, the battery of the watch is low. Before using, please scan the QR code on the instruction manual to download the APP and connect the watch through the APP. Note: This smartwatch is not a medical device. The test data is for reference only and should not be used as medical data.