Feature:Model: P3Bluetooth: 4.0Chip: Nordic 52832APP:Me careDisplay: OLED 0.96’’Battery: 100mAhWaterproof level: IP67Standby time: 5 daysSupport mobile phone system: IOS 8.0 and above, Android 4.4 and aboveHeart rate monitoring function: supportAutomatic bright screen: supportCharging: USB direct chargFunctions:Dynamic heart rate, ECG monitoringCall reminder (Android, Apple), contact name display;SMS, QQ, WeChat reminder (Android, Apple), content display;Missed calls, the number of unread messages is displayed (Android);Alarm reminder, task reminder (Android)Flip the wrist bright screenMotion tracking, sleep monitoring, sedentary reminder, multi-sports modeFully sealed waterproof designNotes：Smart bracelet comes with USB charging port, no need for charging cable, please insert the charger correctlyReceived goods, please charge first in useThis product measures blood pressure, heart rate and other data and professional medical equipment, thank you for your understanding.Package Included:1 x Smart band1 x User's manualPacking Safely in Retail Box.