-function Smartwatch - Heart Rate, Oxygen, Pressure Supervision , Sleep Tracking, Multiple Sports Modes Material: metal Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Package weight: 150g Package size: 17x7.5x4cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) Multiple Sports Modes: Supports Various Sports Modes, Including Running, Cycling, Fitness, And More, Accurately Tracking Your Workout Data To Help You Achieve Your Fitness Goals. Convenient Communication Features: Bluetooth 5.0 Technology Enables Wireless Calling And Allows You To Receive Text Messages And Social Media Notifications, Keeping You Connected At All Times. All-day Sleep Tracking: Automatically Records Your Sleep Quality And Duration, Helping You Optimize Your Rest And Wake Up Refreshed. All-inclusive Health Supervision: Real-time Supervision Of Heart Rate, Oxygen, And Pressure Helps You Understand Your Body Condition And Manage It Scientifically.