Product Features: 1. IPS Screen and High Resolution: 1.57 inch IPS screen, 200x320 resolution, clear and colorful image. 2. System Requirements: Compatible with iOS 12 and above / Android 8 and above. Bluetooth 5.1 for seamless connectivity. 3. Powerful Hardware: Main Control Chip: Ruiyu 8763EWE G Sensor: Silicon Labs QMA6100P Heart Rate Sensor: VC30F High Capacity Battery: 270mAh 4. Memory and Performance: RAM: 578KB, ROM: 128MB Standby Time: Approx. 60 days Battery Life: 4-7 days Charging Method: Magnetic charging dock 5. Health and Fitness Features: Heart Rate, Blood Pressure, Blood Oxygen Monitor Sleep Tracking and All-Day Heart Rate Measurement 107 Different Sports Modes 6. Smart Functions: AI Voice Assistant Support Bluetooth Calling Feature Built-in Games, Music Control Breathing Exercises, Alarm, Phone Finding Remote Photo Shooting 7. Miscellaneous Features: Water Resistance: IP67 Material: Zinc Alloy + Plastic Brightness Adjustment, Screen Timer, Arm Raise Screen On Various Power Saving Modes, Do Not Disturb Mode Vibration Intensity Setting, Time Format, Weather Forecast Music Control, Alarm, Phone Finder, 7 Different Interface Options 8. Notification and Language Support: Various Notifications: Call, SMS, WeChat, QQ, Mail, social media, etc. Language Support: Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese 9. Dimensions and Weight: Watch Dimensions: 54.6 x 33.5 x 10.7 mm Strap Width/Material: 18mm/Silicone Packaging Dimensions: 169 x 109 x 27mm Package Weight: 165g