Regular exercise GPS track; APP initiates heart rate test/all-day dynamic heart rate trend and data analysis/heart rate historical data/blood oxygen test/continuous blood oxygen data/blood oxygen historical data; sedentary reminder/low battery reminder/heart rate warning.

Chinese specification parameters
Water Proof	10ATM
Material	Case: Titanium steel, aluminum, ceramic optional
Size	”# 6(16.5 mm) # 7(17.4 mm) # 8(18.2 mm) # 9(19.0 mm) # 10(19.9 mm) # 11(20.7 mm) # 12(21.5 mm) # 13(22.3 mm) thickness 3mm
Weight	2.9 G or so
Color	Silver, gold , Black color
Chipset (main chip model)	中科蓝讯AB2026B3
Memory (ROM+RAM)	SRAM：64KB+8KB(cache)，Flash：8Mbit
G-Sensor	DA267
Bluetooth Version	5.3
MobileAPP-GPS	Yes
Heart rate sensor	HX3918
Battery Type	Polymer Pure Cobalt Battery
Battery Protection	Support lithium battery protection: Under-discharge protection voltage is 2.8V. Overcharge voltage when fully charged is 4.2V.
Operating temperature range	(-20-50℃)
Charging management circuit	The MCU has a built-in charging management PMU. The configurable charging current range is 5-300mA. It supports anti-reverse connection and short-circuit charging protection
Battery Capacity	15mah-20mah(optional)
Charging time	one hours
Theory Standby time	12-15 days
Normal using time	5-7 days
Charging	Magnetic charge /charging case(optional)
Software Function&App
Compability	Android 5.0 and above; Apple IOS 10.0 and above
Compability Software	LuckRing
Device-side software functions
Operation	The ring has no touch and no buttons; App initiates movement and function tests
APP software functions
Module	Notes
Motion data	Accurate distance / accurate calorie data / accurate step count
Multisports	Conventional Motion GPS Track
Step&G-sensor	Self-developed ring precision step counting algorithm, with an accuracy rate of more than 95% (compared to Garmin sports watches).
Heart rate	APP launches heart rate test / Dynamic rate trend and data analysis / Heart rate historical data
Heart rate accuracy	The accuracy rate of static heart rate is more than 95%,(compared with the laboratory test of heart rate belt)
Sleep	Precise sleep algorithm, sleep coach reminds, sleep aids audio powerful sleep aids.
Blood oxygen	APP initiated blood oxygen test / continuous blood oxygen data / historical blood oxygen data
Camera control	Remote control of mobile phone photography by specific gestures
Video control	Control the mobile phone with specific gestures to play, pause, switch videos, give likes and collect for short videos. (Coming soon)
Body electricity	Multi-dimensional analysis of exercise data, heart rate data, and sleep data to calculate body fatigue status
Others	Unit format, sedentary reminder, low power reminder, heart rate warning
Wechat&Apple	Access WeChat Sports and Apple Health
APP multi-Language support	28 kinds of National language: multilingual 【Simplified Chinese, Traditional Chinese, Japanese, Korean, Thai, Vietnam, Malay, Indonesian, Hindi, English, French, German, Italian, Russian, Portugal, Türkiye, Hungary, Dutch, Denmark, Greek, Spain, Poland, Finnish, Czech, Croatian, Swedish, Hebrew, Persian, Arabic】

Product manual explain how to download and use  APP：
Support OTA	Support for OTA
APP	LuckRing