K57PRO call smart watch 1.96 inch IPS square screen all day heart rate monitoring blood pressure blood oxygen super long standby

1.96   inch IPS screen Detachable 22mm strap Standard  Multiple watch faces pushing,Customized watch faces Bluetooth calling/BT music(Superior clear audio like sound   effect),Weather Heart rate detection/Blood pressure   detection/Blood oxygen detection/Wole-day heart   rate monitor Timer ,Pedometer,Calorie   Consumption,Distance Calculation,Heart rate,Blood pressure,Blood oxygen,Sleep   time /quality,On & Off dispaly，Multiple sport modes Sleep detection (Sleep time ,Sleep quality) Calls to remind,SMS Reminder,Third-party   messaging reminder Multilingual push,Clock alarm,Remote Camera，Sedentary reminder English,Chinese,Japanese,German,French,Spanish,Arabic,Russian,Ukrainian,Russian,Portuguese 400mAh big battery,super long standby time,Bright screen under   sunshine Synchronous data to APK/APP Download “FitCloudPro" from Android market,Google play or   Apple store Scan the QR code and download    “FitCloudPro" Specifications System requirements Android 4.4 and above, IOS 8.0 and above, support Bluetooth 5.0Bluetooth version BLE 5.0Main control chip Realtek 8763EWEMemory Flash 128MBScreen resolution 320*386heart rate 3605Trumpet 0916Battery capacity 400mAhStandby time about 30 daysWorking time about 5-10 daysMotor built-in, vibration reminder