Module Notes Multisports: Multiple movement modes Heart rate: Touch three times and the rate lightwill light up and the last be displayed. Afterstaying on the interface for two seconds, it enter the heartrate test state and the three middle bars rotate. After thetest, the test results be displayed. Sleep: times to display the word SLEEP, and after0.6 seconds, the sleep duration of last night be displayed. Blood oxygen: Touch four times and the rate lightwill light up and the words SOP2 be displayed. After 0.6seconds, the blood oxygen test state be switched and thethree middle bars 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 light upand display the actual number of steps. Hand gestures brush video Smart ring brush video 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 video application, which provides users with a more convenient and innovative experience. Without directly touching the mobile phone screen, it can operate video, 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 for Wechat& Access wechat Sports and Health Color: Black Material: stainless steel Specifications: No.8 Package Contents: 1 x Smart Ring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.