1. Chip: 8762DK 2. APP: FitCloudPro 3. Compatible system: Android4.4 (inclusive) or above, IOS9.0 (inclusive) or above 4. FLASH memory: RAM: 32M, ROM: 32M Flash: 128M 5. Screen: 1.36 inches TFT screen 6. Pixel: 390*390 7. Touch type: full screen touch 8. Bluetooth version: 5.0 9. Battery type: lithium polymer 10. Battery capacity: 300mAh 11. Charging method: magnetic charging cable 12. Waterproof rating: IP68 13. Charging time: about 2H 14. Battery life: about 3-5 days of use, 30 days of standby 15. Product languages: Chinese, English, German, Russian, Portugal, Spain, French, Japanese, Arabic, Netherlands, Italy, Czech Republic, Greece, Hebrew, Indonesia, Korean, Malaysia, Poland, Thai, Vietnam, Finland , Romania, Turkey, Croatia 16. APP supported languages: Simplified Chinese, Traditional Chinese, English, Ukrainian, Russian, Croatian, Hungarian, Turkish, Greek, German, Italian, Czech, Slovak, Japanese, French, Polish , Persian, Thai, Swedish, Finnish, Dutch, Portuguese, Spanish, Albanian, Arabic, Korean 17. Function: Bluetooth call, voice control, Alipay offline payment, password unlock, female menstrual cycle, custom dial, weather forecast, music control, step counting, heart rate monitoring, sleep monitoring, sedentary reminder, mileage, blood oxygen monitoring, Blood pressure monitoring, search, calories, message push, alarm clock setting, drinking water reminder, information notification, etc. 18. Wristband size: total length 220MM, adjustable length 145-190MM 19. Appearance material: zinc alloy + tempered glass + leather&silicone strap 20. Bracelet size: 46x46x12mm Note: This product comes standard with two straps (leather and silicone strap)