1.Function points:1.39 inch screen BT call phone,Health monitoring,AI voice assistant,123 sports modes smart watch 2.Screen size 1.39 inch"360 * 360 resolution TFT HD full color round screen 3.BT call phone:Support BT dial-up calling ,answer, reject phone connection status bracelet 4.Music player :Can play music in the mobile phone, and control the mobile phone music playback 5.Health Monitor :Heart rate,Blood pressure,Blood oxygen,breathe training,Pedometer,Sleep monitor(22:00 pm-8:00 AM), 6.Watch face market :Default 5 dials (more), custom 1 dial, which can be downloaded through the dial Market 7.Battery capacity: 230 MAH Polymer battery Seiko board ,Charging time 2.5-3 hours,use time 5-7 days 8.Sports modes: Movement track Step count, calories, distance (mobile APP display) 123 sports mode 9.Type :Good assistant for daily life health business smart watch IP67 Water proof 10.APP:Da Fit Support OTA update+AI voice assistant+4 games+Calculator+Split screen function