1. Material: zinc alloy shell + metal strap, electronic components 2. Function: dynamic heart rate test, female body cycle, time, clock display, stopwatch, ECG, blood pressure, blood oxygen, sleep monitoring (sleep time, sleep quality), call reminder, sedentary reminder, remote control photo (shake one) panning), music control 3. Menu language: Chinese, English, Japanese, French, German, Italian, Spanish, Russian, Portuguese, Malay, Polish 4. Compatible system: Android, iOS 5. Screen size: 1.08 inches 6. Screen resolution: 220 x 128px 7. Body memory: 64KB 8. Battery capacity: 110mAh lithium battery 9. Operation mode: touch type 10. Waterproof grade: IP67 11. Use the charging base to charge, convenient and fast 12. Multiple sports modes