Wearkey KW19 1.3 Inch Blood Pressure Monitoring Smart Watch(Black)

1. Material: metal, plastic, electronic components2. Functions: multiple sports mode tracking, heart rate/blood pressure/blood oxygen monitoring, step counting, smart reminder, remote selfie, weather information, sleep analysis3. Language: English (default), Japanese, German, French, Spanish, Italian, Polish4. Chip: HS6620D5. Screen size: 1.3 inches (TFT screen)6. Screen resolution: 240 x 240pixel7. Bluetooth version: 4.08. Wireless distance: 5-10m (inclusive)9. Body memory: RAM128KB+ROM256KB10. Wearing method: wristband11. Compatible system: fully compatible12. Battery capacity: 140mAh lithium battery13. Charging method: magnetic charging14. Battery life: less than 7 days15. Operation mode: touch + button16. Waterproof grade: life waterproof17. Dial size: 45 x 50 x 10.8mm