• 【Multi-Function Smart Ring】Monitor heart rate, blood pressure, blood oxygen, sleep, and track steps with this waterproof smart ring that also supports photo capture. • 【Interactive Gaming】Enjoy built-in motion-sensing games through the app. Simply wear the ring and move your finger to control the game. • 【Gesture Control】Navigate through videos with a quick double-tap and capture photos with a simple hand motion, perfect for remote selfies and group shots. • 【Comprehensive Health Monitoring】24/7 real-time heart rate monitoring, blood oxygen saturation tracking, sleep analysis, activity data recording, and stress level assessment. • 【Professional Photography Assistant】Become your own professional photographer with the remote control photo capture feature, elevating your selfie game effortlessly. Specifications: Basic parameters Ring size (mm) No.7 17.5mm, No.8 18.3mm, No.9 19.1, No.10 20mm, No.11 20.8mm, No.12 21.6mm, No.13 22.4mm Weight 3.5g (No. 11) Major function 1>Daily Activity: Steps, Distance, Calorie Counting2>Health Management:Heart Rate Measurement, Oxygen Saturation, HRV Heart Rate Variability, Stress, Sleep Tracking, Multi-Sport Mode, Skin Temperature Measurement3>Other Functions: Remote Control Photo, Find Ring, Female Physiology Reminder 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 No 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 14mAh (18mAh for size 11 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 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