Description: - Android system 4.4 version or above ;iOS system 8.0 version or above ;Support bluetooth with 5.0 version;; - BLE 5.0; - Realtek8762DK; - Flash128MB; - 400mAh; - standby about 30days. Specifications: - 1.39 inch IPS screen; - 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 and Off dispalyMultiple sport modes; - Sleep detection (Sleep time ,Sleep quality); - Calls to remind,SMS Reminder,Third-party messaging reminder Multilingual push,Clock alarm,Remote CameraSedentary reminder; - 400mAh big battery,super long standby time. Language English,Chinese,Japanese,German,French,Spanish,Arabic,Russian,Ukrainian,Russian,Portuguese Package Included: 1 x smart watch 1 x charging cable 1 x user manual