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[Fine Workmanship] Made of stainless steel, with a modern matte and glossy surface treatment process, it is not only stylish in appearance but also wear-resistant and corrosion-resistant
[Motion Sensing Game] Built-in motion gaming features accessible through the app, please wear the ring and move your fingers. The game follows the action
[Rate Rate Monitoring] Monitor your heart rate anywhere and anytime; open the app to view the heart rate data on the ring at any given time
[Sleep Monitoring] The ring automatically monitors your sleep quality when you fall asleep and generates a sleep report to help you develop good sleep habits
[Exercise Data] Accurately recording steps, calorie expenditure, distance, etc. Supporting your multiple exercise modes

Specifications:

Hardware
CPU	Pixart 2860
Material	Stainless steel
Bluetooth Version	BLE 5.1
Battery capacity	Polymer lithium battery 18 mAh with battery protection IC, charging case 280 mAh
Working Time	About 5-7days
Charing time	0.5H
G Sensor	QMA6100P
Heart Rate Sensor	HX3605
Charging method	Charging case
Waterproof Level	IP68
Charging Requirement	Charging 1A or less
Software
APP	ECTRI
Function	Heart rate detection
	Blood oxygen test
	blood pressure detection
	Remote photography
	Multiple sport modes
	Gesture control (Tiktok photograph e-book music)
	Somatosensory games
	Sleep detection (Sleep time, Sleep quality)
	Step count
	Synchronous data to APK/APP
APP Download	Download "ECTRI" from Android market or for Apple store
APP Download	Scan the following QR code and download "ECTRI"
Specification
System Requirement	Android: 6.0 or above iOS: 11.0 or higher
Environmental requirements	Operating temperature: 0~45℃
	Storage temperature: -10~55℃
	Working humidity: 5%~95% (non-condensing)
Size(mm)	8# circumference 56.9, diameter 18.1
	9# circumference 59.5, diameter 18.9
	10# circumference 62.1, diameter 19.8
	11# circumference 64.6, diameter 20.6