Features: Blood pressure monitoring; Continuous heart rate monitoring; Exercise monitoring and fitness (step counting, calories, mileage); Intelligent sleep monitoring. Alarm reminder function (no noise wake up, 20 groups of event reminder icons); Custom screen saver; One-button monitor. Call and SMS, information reminder function (including for WeChat, qq, for facebook, whatAPP, line, mail and other social software reminders). Remote camera (take a photo by turning the wrist and touch the touch button); Countdown, stopwatch function, find the phone; Function switch (common function active switch, such as: heart rate, blood pressure, etc.). PU watch strap; OTA upgrade; Button plus touch control. Weather forecast Turn the wrist to automatically light up. Wearable hardware + smart APP + big data cloud service. Wear it with you, control, display and record through the APP, and the data is synchronized to the cloud in real time. Monitor physical fitness changes, display risk status and assessment results. 50M waterproof, can take swimming, diving, but can not take a hot bath.Specification: Catalog Product parameters Basic parameters Product model CK23 Master chip nRF52832 Flash 64MB Sensor BST-BMA253 Photoelectric chip HRS3313 double lamp Vibration low power motor Waterproof level IP68 Compatible system for Android 4.4 orhigher, for iOS 8.2 orhigher Features Continuous heart rate, remote care Care for family sharing real-time data Main features Continuous heart rate, step counting, calories, distance, sleep monitoring, call reminder, alarm reminder, hand-on bright screen, social sharing (for WeChat, QQ, Facebook, Twitter), etc. Shake to take pictures. Displayscreen Screen size 1.22-inch240*204 Screen type TFT Connection parameters Bluetooth 4.0BLE (low power consumption) Other parameters Battery type Polymer lithium battery Battery capacity 180mAh Charging method Dedicated magnetic attraction Charging time about 3H Endurance time 8 of use, 15 of standby Data storage 3 months Control method Touch control, mobile APP control Product Language APP Language: Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Vietnamese, Portuguese Support 12 languages Appearance material Shell:Fiberglass + PC,Strap: PU Product color Black Packaging Packing list Bracelet, instruction manual, charging cablePackage list:1 * Smart Bracelet1 * Charging Cable1 * English Manual