Watch 4 Pro: NFC, Blood Oxygen, Heart Rate, Temperature, Bluetooth Call, IP68 Waterproof,1.53 inch 454*454 HD Full Screen Touch

Bracelet size: 47.6*47.6*12.9MM Weight: 65g Color: gun black, silver Main functions: high-definition bluetooth call, off-screen pointer, cover hand off screen, custom picture, APP background download picture, QR code (download and connection two-in-one), find mobile phone, calendar, motion track, restart, message push, Remote camera, Alipay, sleep monitoring, altitude, body temperature monitoring, weather, , voice assistant, my QR code, button definition settings, breathing, dial, pedometer, timer, menu style, factory reset , Settings (smart island, drainage, power saving mode, siren alarm sound, screen off time, screen on when you raise your wrist, NFC, brightness, key definition, vibration intensity, do not disturb mode, password setting, language, time and date setting, connection to APP , factory reset, restart, shutdown, about), phone (contacts, call history, dial pad, call settings, emergency call), calculator, heart rate, language selection, about watch information, alarm clock, sports mode, Bluetooth music, Bluetooth Calls, stopwatch, screen off time, vibration intensity, time and date settings, password lock.

Drop-down menu: , do not disturb mode, adjustment, one-key lock screen, weather, shutdown, payment code, Douyin, Alipay, always-on setting, NFC, settings, alarm clock, vibration switch, menu style, factory reset.

Slide up menu: recent tasks. Swipe right: split screen (weather, sleep, heart rate, music, common applications). Swipe left: Add applets (heart rate, , sleep monitoring, exhalation training, step counting, weather, music, body temperature monitoring). " | Screen Diagonal: 1.53" Waterproof Rating: IP68 Heart Rate: Yes Pedometer: Yes Calorie Counter: Yes Compatibility: Android 4.4 or IOS 9.0and above Slide up menu: recent tasks.

Hardware parameters: Chip: RTL8763EW APP name:RDFit Compatible system: Android 4.4.0and above, Apple 9.0 and above FLASH memory: RAM: 192KB, ROM: 256KB Flash: 128M Type: TFT Screen size: 1.53 inches Pixels: 360*360 IPS Touch type: single touch

Waterproof grade: IP68 Charging time: about 3H Battery life: about 5-7 days in use, 30 days in standby Message reminder language: text display Wristband size: total length 210MM, adjustable length 140-210MM Appearance Material: Main Body: Zinc Alloy + Tempered Glass Wristband: Silicone