1.Material: Zinc alloy, silicone/steel, glass, electronic components 2. Functions: multiple sports mode tracking, heart rate monitoring, step counting, smart reminder, remote control selfie, health monitoring, information push, sleep analysis 3. Supported languages: Chinese, English, German, French, Spanish, Korean, Japanese, Russian, Portuguese, Italian, Ukrainian, Arabic 4. Screen size: 1.08 inches (IPS screen) 5. Screen resolution: 240 x 240pixel 6. Bluetooth version: 5.0 7. Wireless distance: 5-10m (inclusive) 8. Body memory: 64MB 9. Wearing method: wristband type 10. Compatible system: fully compatible 11. Battery capacity: 150mAh lithium battery 12. Charging method: magnetic charging 13. Operation mode: touch + button 14. Waterproof grade: IP67