<ul> <li>24-hour heart rate monitoring: Support 24-hour monitoring of your heart rate status, for you to find the body in a timely manner when the abnormal heartbeat, more concern about your heart health</li> <li>Multiple exercise modes: It records all-day sports data, free to switch sport mode easily, helps you make perfect shape</li> <li>Sleep monitoring record: complete sleep data Accurate monitoring of your different sleep stages, including deep sleep/light sleep/night wakefulness</li> <li>Menstrual period reminder: Accurately calculate the time of women's menstrual period, the watch vibrates to remind you before the date arrives</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Screen size: 1.85 inches</li> <li>Screen type: TFT</li> <li>Bottom shell material: plastic</li> <li>Middle shell: aluminum alloy</li> <li>Shell material: glass</li> <li>Wristband Material: Silicone</li> <li>Strap size: 22cm</li> <li>Main chip: JL7013A6</li> <li>Acceleration sensor: EM7128</li> <li>PPG heart rate sensor: Epticore</li> <li>Touch IC: 816d</li> <li>Touch method: full touch</li> <li>Motor: flat motor</li> <li>Display: 1.85-inch square screen</li> <li>Resolution: 240*280</li> <li>Flash size: 128M</li> <li>Bluetooth version: BLE5.1</li> <li>Bluetooth antenna: Bluetooth antenna FPC</li> <li>Battery type: lithium battery</li> <li>Battery capacity: 280mAh</li> <li>Working time: 20 days in standby, about 5 days in use</li> <li>Charging time: 2 hours</li> <li>Speaker: 1507 HiFi speaker</li> <li>Charging method: magnetic cable charging</li> </ul>