•[Motion Sensing Game] Built-in motion gaming features accessible through the app, please wear the ring and move your fingers. The game follows the action•[Gesture Swing for Instant Photography] Innovative design allows you to capture beautiful moments anytime, anywhere. A new height in selfie photography, the smart ring triggers remote photography, making you a professional photographer at ease•[Rate Rate Monitoring] Monitor your heart rate anywhere and anytime; open the app to view the heart rate data on the ring at any given time•[Sleep Monitoring] The ring automatically monitors your sleep quality when you fall asleep and generates a sleep report to help you develop good sleep habits•[Exercise Data] Accurately recording steps, calorie expenditure, distance, etc. Supporting your multiple exercise modesSpecifications:HardwareCPUPixart 2860Materialaluminum alloyBluetooth VersionBLE 5.1Battery capacityPolymer lithium battery 18mAh with battery protection IC, charging case 280mAhWorking TimeAbout 5-7daysCharing time0.5HG SensorQMA6100PHeart Rate SensorHX3605Charging methodCharging CaseWaterproof Level5ATCharging RequirementCharging 1A or lessSoftwareAPPECTRISupport gesture control somatosensory games. Gesture electronic books. Gesture photo. Gesture brush TkFunctionHeart rate detectionBlood oxygen testblood pressure detectionRemote photographyMultiple sport modesSleep detection (Sleep time, Sleep quality)Step countSynchronous data to APK/APPAPP DownloadDownload "ECTRI" from Android market or for Apple storeScan the following QR code and download "ECTRI"SpecificationSystem requirementsAndroid: 6.0 or aboveiOS: 11.0 or higherEnvironmental requirementsOperating temperature: 0~45℃Storage temperature: -10~55℃Working humidity: 5%~95% (non-condensing)Size(mm)8 circumference 56.9, diameter 18.29 circumference 59.5, diameter 1910 circumference 62.1, diameter 19.911 circumference 64.6, diameter 20.712 circumference 67.2, diameter 21.5Package included:•1 x Smart Ring•1 x Charging Cable•1 x Charging Case•1 x English User Manual