Specifications: Brand XANES Model S968 Color Red / Balck / Grey Size 50*50*16mm Weight 78g Material Front Cover Alloy Material Back Cover PC+ABS Watch Band Silica Gel GPS Ceramic Antenna Heart Rate Dynamic Heart Rate Barometer Air Pressure Thermometer Environment Temperature G Sensor 3D Accelerometer / Gyroscope Bluetooth Nordic 4.0 Display 1.32' 160*160 Pixel; Light Waterproof IP68 Professional Waterproof Battery 500mAh(Comprehensive Use 8 Days / GPS Mode 13h) Support System IOS8+ / Android5.0+ Functions: Home Page Time, date Today's step number + step number weekly chart Electrocardiogram (16 hours) Air Pressure charts (24 hours) Environment temperature chart (24 hours) Height chart (24 hours) + height calibration Sports Mode Swimming (heart rate, arm count, calories, lap) Snorkeling (Current depth, Maximum depth, heart rate, water pressure, water temperature) Ball games (heart rate, calories, balls) Walk (heart rate, frequency, steps, calories, mileage, laps) Run (trajectory, heart rate, frequency, steps, calories, speed, pace, mileage, laps) Climb (trajectory, heart rate, frequency, steps, calories, high, pressure, mileage, laps) Ride (trajectory, speed, pace, heart rate, frequency, steps, calories, mileage, laps) GPS Information Longitude and latitude coordinates, world time/date, altitude, the speed of movement Record Lap Set cycle length Record mode Manual / automatic Heart rate ECG mode Automatically monitor every 10 minutes, 16 hour ECG Sports mode Real-time monitoring Heart rate alert Set the highest and lowest values Sedentary reminder Sedentary reminder Sleep monitoring Sleep monitoring Alarm clock Alarm clock Features: 1. Independent GPS, display real-time GPS information 2. 7 kinds of sports modes: walking, swimming, snorkeling, running, cycling, climbing, ball sports. 3. Dynamic heart rate monitoring, support heart rate alert. 4. Analyse your heart rate to know about the state of motion. 5. All-day activity tracking: pedometer, calories burnt, heart rate, etc. 6. Built-in barometer, thermometer, al