W17 Pro Max 1.9 inch Bluetooth Call Message Reminder Silicone Smart Watch 1. Major functions: 1.9-inch high-definition large-screen display, Bluetooth calling, support Alipay and WeChat payment code collection, 2 games (Snake and Airplane Wars), noise detection function; breathing training; button number and caller number, support Chinese and English Number reporting; adjustable call volume and music volume; password lock; hand up to brighten the screen; dial pad, contacts, call records, information, sports (walking, cycling, running, mountain climbing, indoor running, recording) , Steps, Sleep Reminder, Sedentary Reminder, Heart Rate, Blood Pressure, Blood Oxygen, Bluetooth Photo, Bluetooth Music, Find Mobile Phone, Weather, Drink Water Reminder, Stopwatch, Calculator, Calendar, Alarm Clock, Settings (Time Setting, Profile {Free) Disturb, ring only, vibrate only, vibrate and ring}, brightness, language settings, password lock, sidebar, factory reset, about this machine), 6 sets of UI menu styles (Gypsophila, list, WP, block list, gear) SIRI (double-tap the screen to wake up), find mobile phone, APP QR code, flashlight 2. Chip: YC1137 3. APP: Hi watch plus 4. Compatible systems: Android5.0 or above, IOS9.0 or above 5. FLASH memory: 128 MB+ 64MB 6. Screen inch: 1.9-inch IPS high-definition screen 7. Touch type: HD full touch screen 8. Bluetooth: 5.0+5.0 dual mode 9. Gravity sensor: SC7A20 10. Battery type: Lithium polymer battery, capacity: 3.7V200mAh 11. Charging way: Magnetic charging 12. Mobile APP language: English, Simplified Chinese, Traditional Chinese, Dutch, Russian, French, German, Portuguese, Spanish, Turkish, Japanese, Polish, Arabic, Malaysian, Thai, Czech, Slovak, Philippine, Indonesian, Ukrainian, Vietnamese, Italian ,India Band language Simplified Chinese, English, French, Spanish, Portuguese, Russian, German, Dutch, Turkish, Malaysian, Polish, Czech, Slovak, Arabic, Italian, Thai 13. Charging time: 1.5H 14. Battery life: 15 Days 15. Wristband size: Overall length