Specifications:Exhibition:- Screen diagonal: 3.56 cm (1.4´´)- Display Type: Digital- Touch screen: YesDesign:- Band material: Silicone- Shape: Rectangular- Strap length: 23.5 cm- Market positioning: Smart watchPerformance:- Supported mobile operating systems: Android, iOS- RAM capacity: 128 MB- Flash memory: 0.196 GB- Built-in microphone: Yes- Built-in speakers: Yes- Built-in camera: YesFeatures:- Heart rate monitor: Yes- Pedometer: Yes- Calories burned: Yes- Activity Tracking: Yes- Sleep quality: Yes- SOS alert function: YesConnection:- Mobile network connection: Yes- Mobile network generation: 4G- GPS (satellite): YesPorts and Interfaces:- Bluetooth: Yes- USB port: YesEnergy control:- Battery Type: Built-in battery- Battery technology: Lithium polymer- Battery capacity: 700 mAh- Battery capacity: 2.59 Wh- Autonomy: 120 h- Battery duration: 5 days)- Rest time: 240 h- Loading time: 2.5 hEnvironmental conditions:- Operating temperature range: 0 - 40 °CWeight and measurements:- Weight: 50 g