Digital DisplayClear and intuitive digital screen for easy-to-read data at a glance. Interactive GamingBuilt-in motion-sensing games accessible through the app, allowing for fun, interactive experiences with simple finger movements. Gesture ControlsInnovative gesture functionality for seamless social media navigation. Double-tap to switch videos, and use motion gestures for instant photo capture. Remote PhotographyAct as your own professional photographer with the smart ring's remote control feature for capturing perfect selfies and group shots. Comprehensive Health Monitoring24/7 real-time heart rate monitoring, blood oxygen saturation tracking, sleep analysis, activity data collection, and stress level assessment. Specifications: Parameters Water Proof: 5ATM class waterproof, diving or snorkeling can be worn to support more than 50 meters depth waterproof Material process: Stainless steel ten glue pouring process Size #8(18.2 mm) #9(19.0 mm) #10(19.9 mm) #11(20.7 mm) #12(21.5 mm) #13(22.3mm) thickness 2.5mm Weight: 3.4g or so Chipset (main chip model): German Dialog DA14585-ultra-low power, more durable Memory (ROM+RAM): 128kb ROM + 96 Kb RAM G-Sensor: SC7A20 Bluetooth-compatible Version: 5.1 MobileAPP-GPS: Yes Heart rate sensor: HX 3918 Battery Type: Polymer Pure Cobalt Battery Operating temperature range: 0-50 Battery Capacity: 18mAh Charging time: Two hours Theory Standby time: 16-20 days Normal using time: 3-4 days Charging: charging box Software Function&App Compability: Android 9.0 and above; for Apple IOS 10.0 and above Compability Software: Jring Operation: Ring touch Multisports: Multiple movement modes Heart rate: Touch three times and the red heart rate lightwill light up and the last test data will be displayed. Afterstaying on the interface for two seconds, it will enter the heartrate test state and the three middle bars will rotate. After thetest, the test results will be displayed. Sleep: Touch five times to display the word SLEEP, and after0.6 seconds, the sleep duration of last night will be displayed. Blood oxygen: Touch four times and the red heart rate lightwill light up and the words SOP2 will be displayed. After 0.6seconds, the blood oxygen test state will be switched and thethree middle bars will rotate. After the test, the test result willbe displayed. Battery level: Touch six times to display the current batterylevel, the same as when charging. Time: Touch to display the current synchronization time Steps: Double-touch and the green step light will light upand display the actual number of steps. Hand gestures brush tiktok: Smart ring brush Tiktok is a new interactive way. Through the connection with the mobile phone or other devices and specific technical support, the smart ring can realize some operation control and page turning of the Tiktok application, which provides users with a more convenient and innovative experience. Without directly touching the mobile phone screen, it can operate Tiktok, various videos, browse the web, shop, etc. to a certain extent Wave your hand to take a picture immediately: Innovative design, so that you can easily capture the beautiful moment anytime and anywhere. Selfie new height, one finger trigger beautiful smart ring, remote control photography, so that you can easily become their own professional photographer Wechat&Apple: Access wechat Sports and Apple Health APP multi-Language support: National language: multilingual Support OTA: Support for FOTA upgrades APP: Jring Package included: 1 x Smart Ring 1 x Charging Cable 1 x English User Manual