Advanced Health and Fitness Tracking: Stay on top of with the Smart Bracelet. It offers comprehensive monitoring of your daily activities including steps taken, calories burned, and sleep patterns. Improve your fitness regime with accurate data.Intuitive Raise-to-Wake Feature: Effortlessly check the time and your fitness with the innovative raise-to-wake technology. A simple gesture of raising your hand activates the display, making it easy to view information without pressing any buttons.1. Small band: 224 x 16.5 x 9.4mm2. Longer band: 244 x 16.5 x 9.4mm3. Weight: 20g4. Display: LED 7 segment display5 .Voltage: DC=4.5V to 5.5V6. Atmospheric Pressure: 860hPa - 1060hPa7. Battery Capacity: 50mAh8. Charging: Micro-UsB port9. Battery Life: 300 times charge-discharge cycles10. Sleep Current: 25UA11. Standby Time: 45 days12. Charging time: 1hMain functions:1. Time2. Date3. Vibrating Remind4. 12/24 hours5. Weekly6. Calorie7. Steps8. Sleep Monitoring9. Battery Display10. Km/Mile Transfer11. Raise Hand to See Time12. USB ChargingColor:A:Rose RedMaterial:SiliconePackage Contents:1 * smart braceletOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.