Model Number: KR10
Heart rate chip: HX3605
Memory: RAM_578KB+128Mb
Band Material: Rubber
Case Material: ALLOY
Screen display: 1.39 inches
Resolution: 360*360
battery capacity: 450mAh
Standby time: about 60 days
Operating hours: About 7-10 days
Screen: full touch screen
waterproof level: IP67
System Requirements: Android 4.4 and above, IOS 9.0 and above, support Bluetooth 5.1

13 languages: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese

Alarm Clock, Week, MONTH, WORLD TIME, Sleep Tracker, Fitness Tracker, Calculators, Passometer, Call Reminder, Push Message, Message Reminder, Heart Rate Tracker, Interactive Music,