M4 Smart Bracelet / Fitness Tracker (Heart Rate - Blood Pressure - Motion - Calories - Distance)

 M4 Smart Bracelet / Fitness Tracker  (Heart Rate - Blood Pressure - Motion - Calories - Distance)

Functions

• Smart Alarm Clock
• Pedometer
• Calories
• Distance
• Heart Rate Monitor
• Blood Pressure Monitor
• Sleep Monitor
• Sedentary reminder
• Drink Reminder
• Anti-lost
• Call and Message Notifications
• Shake for Selfies

Before Use

• Please make sure to fully charge the smart band before use.
• Download the “Lefun Health” App on your phone.
• Open the Lefun Health App on your phone.
• Click on the menu icon in the top left hand corner.
• Choose the first option to link your device, search for your device and connect to it.
• Once the smart band has connected successfully, the date and time will sync automatically with your phone.

To avoid disappointment, please note:

• This product requires the mobile application “Lefun Health” to sync with your mobile device.
• This product is not compatible with Discovery.
• This product is not a medical device.
• The accuracy of these devices is not intended to match medical devices or scientific measurement devices and inherent limitations may cause some heart rate readings to be inaccurate. This is not a reflection of the quality of the devices, but rather an inevitable technological limitation of optical sensing.