SK1 Smart Watch Is Suitable For Huawei and Apple Bluetooth Calls To Pay For Healthy Heart Rate, Blood Oxygen And Blood Pressure Product description:IP68 Waterproof: It supports hand washing, rain, swim wear, meet daily needs (note: can not wear for hot water bath and sauna). Multi-sport mode: Support Walking,running,bikinghikingBasketballFootball, tennis Synchronize the Display: Display the reminder call in synchronization with the mobile phone, and display the name or phone at the same time to support the message reading of different social software. Great Functions: Support IP68 WaterproofMulti-dial switchingPedometer, multi-sports mode, ECG, heart rate, blood pressure, blood oxygen, Callsleep monitoring, sedentary reminder, call reminder, message reminder, stopwatch, music control, photo control, anti-lost, alarm clock, weather Bluetooth music and call: The watch is connected to the mobile phone via Bluetooth and can control the music playback and call of the mobile phone. Note: Wearable devices monitors human activities through electronic sensors,and they are at the consumer electuonics level.It's normal for certain deviation.The user should treat data objectively. Please do not compared toequipment about reading,it is NOT a device Before using, scan the QR code on the manual to download the app and connect it to the watch with APP. Please ConnectSK1 -- Please charge it for 2-3 hours when you receive it. it was run out of power after the long delivery. Thank you --For Android user: Please always authorize APP access to all phone functions and always let it operating on. and please turn on the GPS on your phone before you connect it. Basic specifications Product Specifications: Model: SK1CPU: MTK2502 Memory: RAM 138KB+ROM 512KBDisplay: 1.3-inch IPS high-definition full-fit round screen Hardware SpecificationsHeart Rate: 24 hour regular heart rate monitoring,BD1662 G-SensorSilan 7A20 Battery: 300mA Colors:black+black leather ,black+black steel ,silver+brown leather,silver+silver steelBluetooth: 4.0 System: Support Android 4.4, IOS 8.0 and above Languages:English, French, Spanish, Portugal, Germany, Malai, Turkey, Thailand, Persia, Arabic, Russian List of main functions Support IP68 WaterproofMulti-dial switchingPedometer, multi-sports mode, ECG, heart rate, blood pressure, blood oxygen, Callsleep monitoring, sedentary reminder, call reminder, message reminder, stopwatch, music control, photo control, anti-lost, alarm clock, weather Multi Sport mode: Walking,running,bikinghikingBasketballFootball, tennis Super long standby: Standby for 7 days, connected to the phone for about 3 days Product content: 1 x Smart Watch 1 x Charging Cable