•【Versatile Smart Ring】This intelligent ring combines sleep tracking,activity monitoring,step counting,and waterproof features with Bluetooth connectivity and remote photo capture capabilities. •【Health Monitoring】Provides 24/7 real-time heart rate monitoring,blood oxygen saturation tracking,sleep analysis,activity data recording,and stress level assessment for comprehensive health insights. •【Interactive Gaming】Enjoy built-in motion-controlled games through the companion app. Simply wear the ring and move your finger to control the game,offering a unique and engaging experience. •【Gesture Controls】Innovative gesture functionality allows you to browse short videos with ease. Quick double-tap to switch videos,and use hand gestures for instant photo capture,elevating your social media interaction. •【Remote Photography】Transform your photography experience with the smart ring's remote control feature. Easily capture selfies and group photos from a distance,becoming your own professional photographer. •【Long-lasting Battery】Equipped with an 18mAh polymer lithium battery with protective IC,the ring offers an impressive 5-7 days of use on a single charge,with a quick 30-minute charging time. Specifications: Hardware CPU Pixart 2860 Material Stainless steel Bluetooth-compatible Version BLE 5.1 Battery capacity ring: 18mAh,charging case: 300mAh Working Time About 5-7days Charing time 0.5H G Sensor QMA6100P Heart Rate Sensor HX3605 Charging Cable Magnet Cable(With SMT Protect IC) 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 Sleep detection (Sleep time,Sleep quality) Step count Synchronous data to APK/APP APP Download Download "ECTRI" from Android market or for Apple store Scan the following QR code and download "ECTRI" Parameter System requirements Android: 6.0 or aboveiOS: 11.0 or higher Environmental requirements Operating temperature: 0~45℃ Storage temperature: -10~55℃ Working humidity: 5%~95% (non-condensing) Electrostatic protection: electrostatic standard contact: ± 6KV,air: ± 10KV Surge protection: 12V Drop requirements: refer to GB/T 2423.8 standard Vibration requirements: refer to GB/T2423.10 standard Charging temperature protection: 45°C Product Size Size (mm) 8 : Dia: 18.1mm,Perimeter: 56.9mm9 : Dia: 18.9mm,Perimeter: 59.5mm10 : Dia: 19.8mm,Perimeter: 62.1mm11 : Dia: 20.6mm,Perimeter: 64.6mm Package included: •1 x Smart Ring •1 x Charging Case •1 x Charging Cable •1 x English Instruction Manual