Health Monitoring24/7 real-time heart rate monitoring, blood oxygen saturation tracking, sleep analysis, activity data recording, and stress level monitoring for comprehensive health insights. Interactive GamingBuilt-in motion-sensing game functionality accessible through the app. Wear the ring and move your finger to control in-app games for an immersive experience. Gesture ControlsInnovative gesture recognition allows you to control video playback with a quick double-tap and capture photos with a simple hand movement, perfect for browsing short videos or taking selfies. Remote PhotographyAct as your own professional photographer with the smart ring's remote control feature, enabling easy self-portraits and group shots from a distance. 5ATM WaterproofWhen you wash your hands,take a shower or swim inthe ocean, the Smart Ring has a water resistance rating of 5ATM, which means that you can continuously monitor your health even if you get completely wet while wearing it. Specifications: Basic parameters Ring sizemm No.7 17.9mm, No.8 18.3mm, No.9 19.2, No.10 20mm, No.11 20.9mm, No.12 21.6mm Weight: 3.7g (No.10) Major function 1>Daily activities: steps, distance, calorie counting 2>Health management: heart rate, oxygen saturation, HRV heart rate variability stress, sleep tracking, skin temperature measurement 3>Indicator: message reminder, charging status 4>Touch Function: Music Control, Short Video Control, Zanjian 5>Other Functions: Remote Control Photo, Female Physiology Reminder, Multi-Sport Mode Hardware parameter: Chipset: Realtek Chipset Model: RTL8762 ESF App: QRing Compatible system: Android 5.1or above, iOS 8.0 or above FLASH memory: RAM104KB FLASH 512KB LCD Type: No Screen size: No Resolution ratio: No Digital crown (encoder): No Touch: Yes Connection parameters: BT: 5.2 BLE (Bluetooth-compatible Low Energy) Bluetooth-compatible call: No WIFI: No NFC: No Sensor: Sensor: ST LIS2DOCTR Gyroscope: No Heart Rate Sensor: Vcare VC30F-S GPS: No Battery Battery type: Lithium polymer Capacity: 15mAh (18mAh for size 10 and above) Charging mode: 200mAh Magnetic charging case App software features QRing Step count, sleep monitoring, heart rate tracking, exercise data records Health monitoring, pressure, blood oxygen measurement Multiple sports modes, photography, and message reminders Supported languages: Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, German, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, English Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay Other parameters: Dust Proof & Waterproof Level: 5ATM Charging time About 1.5H Life time 5-7 days of use and 15 days of standby Product language No Strap size No Product Material stainless steel Package included: 1 x Smart Ring 1 x Charging Case 1 x Charging Cable 1 x English Instruction Manual