1. Material: alloy, TPU/steel, electronic components 2. Functions: step counting, mobile positioning, social entertainment, smart reminder, remote control selfie, health monitoring, information push, exercise tracking, sleep analysis, heart rate monitoring, blood pressure measurement, Bluetooth calling 3. Supported languages: Chinese, English, German, French, Italian, Spanish, Polish, Russian, Portuguese, Malay, Polish, etc. 4. Support system: Android, IOS 5. Body memory: 128MB 6. Screen: 1.32TFT color screen 7. Resolution: 360 x 360 dpi 8. Bluetooth version: 5.0 9. Communication function: support 10. Operation mode: touch + button 11. Battery capacity: 360mAh lithium battery 12. Working hours: 5-7 days 13. Standby time: 15-20 days 14. Charging method: magnetic suction