Smart Watches K57 Pro Men Bluetooth Call Outdoors Sport 400mAh Battery 1.96inch IPS Screen Heart Rate Blood Pressure Smartwatch

Parameter: System requirements:Android system 4.4 version or above ;iOS system 8.0 version or above ;Support  bluetooth with 5.0 version; Bluetooth version:BLE 5.0 Main control chip:RTL8763EWE Memory:Flash 128MB Screen resolution:320*386 heart rate:3605 horn: 0916 Battery capacity:400mAh motor:Built in, vibratng reminder APP:FitCloudPro Functions : *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 *400mAh big battery,super long standby time,Bright screen under sunshine Watch language: English,Chinese,Japanese,German,French,Spanish,Arabic,Ukrainian,Russian,Portuguese.