(Cross-border trading), waterproof battery protected from dust, water and shock, bracelet, watch strap, big battery

Configuration parameters: Chip: Jerry 7074 A7 Compatible system: Android 6.0+ (including) and iOS 10.0+ (including) FLASH memory: Rom128Mb    APP name: Da Fit Screen size: 1.7-inch TFT full-screen touch screen Pixels: 360*360 Pixels BT version: 5.3 low-power Bluetooth chip Gravity sensor: STMicroelectronics LIS2DOCTR Heart rate: HX3918 Battery capacity: polymer lithium ion 1100mAh Charging method: magnetic charging Waterproof level: IPX8-3ATM (waterproof to a depth of 30 meters) Charging time: about 4 hours Battery life: about 25-35 days of daily use The main function: 1.7-inch ultra-clear screen, 360*360 pixels, compass, bright flashlight, full-screen touch, heart rate, blood oxygen, pressure, exercise, sports records (steps, distance, calories), sports mode, voice assistant, message push, information storage, sleep monitoring, weather push, alarm clock, timer, stopwatch, calculator, stress reduction sleep aid, world clock, camera remote control, music control, search for mobile phones, women's health, etc. Supported languages: English, Simplified Chinese, Japanese, Korean, German, French, Spanish, Russian, Traditional Chinese, Italian, Portuguese, Dutch, Indonesian, Thai