HK89 1.43 inch BT5.0 IP67 Sport Smart Watch, Support Bluetooth Call Message Notification Heart Rate Blood Pressure Health Monitor 1. Wristband Size: 46x46x10.6mm 2. Weight: 21.5g 3. Chip: 7012A6S 4. APP: CO-FIT 5. FLASH Memory: RAM: 640KB ROM: 2MB Flash: 128M 6. Screen: 1.43-inch AMOLED Pixels: 466x466 7. Bluetooth: 5.0 8. Supports NFCG-Sensor 9. Battery: 260mAh 10. Charging Method: Magnetic charging 11. Functions: Bluetooth calling, voice control, always-on display, Alipay offline payment, stock market, NFC, stress test, breathing training, calendar, world clock, calculator, password unlock, customizable watch faces, weather forecast, music control, pedometer, heart rate, sleep monitoring, sedentary reminder, distance, blood oxygen, blood pressure, search, calories, message notifications, numerous downloadable watch faces, photo upload, pedometer, heart rate, sleep monitoring, sedentary reminder, distance, blood oxygen, blood pressure, phone search, calories, Bluetooth, information, WeChat, QQ notifications, find function, alarm setting, water reminder, gesture control, do-not-disturb mode, reminder mode 12. APP Languages: Danish, Ukrainian, Urdu, Russian, Hungarian, Indonesian, Turkish, Bengali, Hebrew, Greek, German, Italian, Czech, Japanese, French, Polish, Thai, Swedish, Simplified Chinese, Traditional Chinese, Finnish, English, Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean 13. Watch Languages: English, Simplified Chinese, German, French, Spanish, Portuguese, Turkish, Arabic, Italian, Russian, Polish, Indonesian, Dutch, Czech, Hebrew, Thai, Greek, Japanese, Traditional Chinese, Romanian, Vietnamese 14. Waterproof Rating: IP67 15. Charging Time: 2 hours 16. Battery Life: Use for 5-7 days, standby for 30 days 17. Compatible with smartphone systems: Android 4.4 or IOS 9.0 or above systems 18. Wristband Size: Total length 220MM, adjustable length 145-190MM 19. Material: Main body: Zinc alloy + tempered glass Wristband: Silicone strap