Product ParametersMain chipset: Goodix GR5515 + music setMain frequency: 64MWaterproof: IP67Bluetooth version: Bluetooth 5.0 BLEDisplay Panel: 1.28 "Round IPS TFT 240 * 240Battery capacity: 400mAh. Charging time: 2H. Standby time: 15-30 daysProduct FeaturesPedometer: start the pedometer function, the watch will display the activity steps.Sports time: start the sports function, the watch will record the total sports timeSports mode: there are five modes: running, cycling, playing basketball, playing badminton, playing footballSport distance: Record the total sport distance.Calories: The watch will calculate the calories used in each sport mode based on the sport time.Heart rate monitoring: start the heart rate function in the watch or app, measure the listening rate in real time, and view the results with the watch worn on your wrist.Blood pressure: start the blood pressure function in the watch or APP, can measure blood pressure in real time, and display the results with the watch worn on your wrist.Sleep mode: record sleep timeSedentary reminder: set the reminder time interval for sedentary in the app, the watch will remind user with vibration and icon display in time.Incoming call reminder: There is reminder in the watch when there is an incoming call.Message Delivery: Total 4+ Message Types: Incoming Call / QQ / Wechat / Short Message / Instagram / Gmail / Snapchat / Facebook / Twitter / WhatsApp / LinkedIn / Skype / Line +Wrist wake-up screen: activate the wake-up function in the app, then the user can wake up the screen by shaking the wrist.BT phone call: When the phone's BT is connected to the watch, you can use the watch to call.BT music: when the phone's BT is connected to the watch, can use the watch to play / change music.Setting: flashlight, shutdown, QR code, volume, about device, factory recovery, vibration.Bezel Style: By long pressing the home page of the watch, you can change the bezel style.LanguageBracelet Support Language: Chinese, EnglishAPP support language: Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Vietnamese, Portuguese, Turkish, Czech, Polish, Persian, 16 languagesBracelet push language: Chinese, Japanese, Korean, Latin, Cyrillic; Latin understands: (English, French, Spanish, Portuguese, German, Dutch, Vietnamese, Northern Europe, Central Europe, Italian Southern Europe, Southeast Asia, Africa); Siri Irvine includes: (Russia, Eastern Europe, Asia), covering 150 countriesAPK application / download:(1) scan the mobile phone toDownload the QR code into the bracelet,Download and install the H band app(2) search the mobile application mall to downloadAnd install the H band app