ECG Sleep Detection Alarm Clock Sports Watch

The main parameters:
Language:
APP language Support Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Vietnamese, Portuguese 12 languages
Application message push language: Chinese, Japanese, Korean, Latin, Cyrillic; Latin
Includes: (English, French, Spanish, Portuguese, German, Dutch, Vietnamese, Nordic, Central European, Southern European Italian, Southeast Asia, Africa); Cyrillic includes: (Russian, Eastern Europe, Asia), covering 150 nation
Watch UI interface language supports Chinese, English, and Japanese
System requirements: Android 4.4 and above, iOS 8.0 and above, support Bluetooth 4.0
Adaptation method: independent use or simultaneous use of mobile APP
Main control chip: NORDIC NRF52832 comes with 4.0 Bluetooth
Photoelectric sensor: independent matching +SILICON 1182
Acceleration sensor: three-axis acceleration ROHM KX1009
Storage: External Flash 64Mb
Bluetooth version: BLE 4.0
Screen resolution: 240*240
Battery capacity: 200 mA
Standby time: about 20 days
Working time: about 7-10 days
Motor built-in, vibration reminder
Charging cable: magnetic type (main board with short circuit protection)
Waterproof rating: IP68
Glass panel material: flat surface with steps 6H tempered glass panel
Main shell material: stainless steel
Key material: stainless steel
Strap material: leather/silica gel (width 22mm)