Description:
NO.1 F4 Smart Bracelet adopts Bluetooth 4.0 Nordic NRF51822 chip, featuring low consumption detailed with long connecting distance, safe and quickly. It adopts special surface treatment process, anti-scratch and wearable. Skin-friendly silicone watch band give you a comfortable wearing experience. It will help you live in healthier and more intelligent lifestyle. Besides, you can share your data on Wechat, which may encourage you and your friends to do exercise and raise interest in sports.

Main Features:
● Health Tracker
-Know Your Heart
Measure heartbeats within a certain time and control your sports intensity
-Sleep Monitor
Detect deep sleep, light sleep, and awaken time, you can have a sweet sleep
-Sedentary Reminder
When sedentary time reaches the setting time, this band will remind the user to get up and exercise
● Call / Message Reminder
You will never miss any incoming call or message, F4 will vibrate at the first time, even your phone in bag or other places
● IP68 Grade Waterproof
Protect the watch from water, not afraid of heavy sweat and rainy days any longer
● Smart Power Saving
130mAh Battery can sustain 7 - 10 days standby time
● Powerful Hardware
Nordic NRF51822 Bluetooth 4.0 Chip, can store days data, heart rate changes, recent exercise data
● Data Synchronism
Search the name called FunDo Pro in the App Store or Google Play to download the APP
● Raise to Wake
Lift or turn over your hands to light up the screen, no operation requested for checking time.

Specifications:
● Pedometer
● Alarm setting
● Phone call / message reminder
● Support firmware upgrade 
● Support language: English, Simplified Chinese
● Compatible for iOS 9.0 and above, Android 4.4 and above