Product parameter Screen: 1.3-inch IPS high-definition full-fit round screen Touch screen: Full touch screen Battery: 260Mah Application: WearFit 2.0 Charging method: Magnetic charging Waterproof: IP6 more→7 Hardware parameters Bluetooth: BT4.0 Bluetooth call: BT3.0 Software function Answering/rejecting calls/making calls, heart rate monitoring, blood/blood oxygen pressure monitoring, sleep monitoring, sedentary reminder, port pedometer/calorie consumption/exercise record/exercise time, incoming call reminder and display, message push and display, remote control Camera, automatic heart rate measurement, multi-sports, measurement, clock reminder, alarm clock reminder, 5 dial defaults. APP customized …