P8 1.4 Inch Heart Rate Blood Pressure Monitoring Smart Watch, Color: Silver Gray 1. Material: alloy, TPUsteel, electronic components 2. Functions: step counting, social entertainment, smart reminder, remote control selfie, health monitoring, information push, sleep analysis 3. Menu language: Simplified Chinese, Traditional Chinese, English, German, French, Spanish, Korean, Japanese, Russian, Ukrainian, Arabic, Portuguese, Italian and other 100 languages 4. Compatible system: Android, iOS 5. Screen size: 1.4 inches 6. Screen resolution: 240 x 240px 7. Bluetooth version: 4.0 8. Wireless distance: 5-10m (inclusive) 9. Body memory: RAM64KB ROM32Mb 10. Wearing method: wristband 11. Battery capacity: 170mAh lithium battery 12. Charging method: charging with charging clip 13. Battery life: about 7 days 14. Operation mode: touch 15. Waterproof grade: IPX7 16. Multiple sports modes 17. Monitor sleep throughout the process and scientifically analyze sleep quality 18. Optical heart rate sensor, real-time monitoring of heart rate 19. The screen adopts a 1.4-inch high-definition display + 2.5D curved glass design, which is clear and delicate 20. Product weight: 128 grams