Parameter:&nbsp;&nbsp;Chip: Nordic 51822&nbsp;&nbsp;Display: OLED 0.86_�__�_&nbsp;&nbsp;Battery: 100mAh&nbsp;&nbsp;Waterproof level: IP67&nbsp;&nbsp;Standby length: 5 days&nbsp;&nbsp;Support mobile phone system: IOS 8.0 and above, Android 4.3 and above&nbsp;Heart rate monitoring function: support&nbsp;&nbsp;Blood pressure monitoring function: support&nbsp;Automatic bright screen: support&nbsp;Bluetooth: 4.0&nbsp;&nbsp;&nbsp;The main function:&nbsp;1. Blood pressure monitoring, recording blood pressure historical data;&nbsp;&nbsp;2, heart rate monitoring, automatic monitoring and recording data throughout the day&nbsp;&nbsp;3, call reminder (Android, Apple), contact name display;&nbsp;4, SMS, QQ, WeChat reminder (Android, Apple), content display;&nbsp;&nbsp;5, missed calls, the number of unread messages is displayed (Android);&nbsp;6, alarm reminder, task reminder (Android)&nbsp;7, turn the wrist bright screen&nbsp;&nbsp;8, motion tracking, sleep monitoring, sedentary reminder, multi-sports mode&nbsp;&nbsp;9, fully sealed waterproof design

Kids Fitness Smart GPS Watch LED Touch Screen Smart Bracelet Wristband - Heart Rate Monitor