Parameter:Screen size: 1.53 inchesPixel: 360*360 IPSTouch type: single touchBluetooth: BT5.0Capacity: 300mAhCharging method: magnetic chargingWaterproof grade: IP68app name: RDFitCharging time: about 3HBattery life: about 5-7 days in use, 30 days in standbyMessage reminder language: text displayWristband size: total length 210MM, adjustable length 140-210MM

Function:
High-definition bluetooth fairy tale, off-screen pointer, cover hand off screen, custom picture, APP background download picture, two-dimensional code (download and connection two-in-one), find mobile phone, calendar, motion track, restart, message push, remote photo, , sleep monitoring, blood sugar, altitude, body temperature monitoring, weather, blood pressure, voice assistant, my QR code, button definition settings, blood oxygen, breathing, dial, pedometer, timer, menu style, factory reset, settings ( Smart Island, Drainage, Power Saving Mode, Screen Off Time, Raising Wrist to Brighten Screen, NFC, Brightness, Button Definition, Vibration Intensity, Do Not Disturb Mode, Password Setting, Language, Time and Date Setting, Connecting to APP, Factory Reset, Restart, Shutdown , About), Phone (Contacts, Call History, Dialpad, 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 setting, password lock.Drop-down menu: Bluetooth switch, do not disturb mode, brightness adjustment, one-key lock screen, weather, shutdown, payment code, Douyin, , always-on setting, NFC, settings, alarm clock, vibration switch, menu style, factory reset.Swipe up menu: message push.Swipe right: split screen (weather, sleep, heart rate, blood pressure, blood oxygen, music, common applications).Swipe left: Add applets (heart rate, blood pressure, sleep monitoring, blood oxygen, exhalation training, step counting, weather, music, body temperature monitoring).
language:
1. English, 2. Russian, 3. Spanish, 4. German, 5. Italian, 6. French, 7. Portuguese, 8. Turkish, 9. Japanese, 10. Hebrew, 11. Czech 12. Arabic, 13. Korean, 14. Persian