2.mi band 4 has two version(standard version and NFC version). And about the NFC, only "Analog door card" function will be working out of mainland China.
3.This item is standard version without NFC,if you want the NFC version,please stay focus on our website.Thank you for your supporting.
4.The product id of original Xiaomi mi band 4 watch charger cable is 1521328
|Model||Mi band 4 (International version)|
|Bluetooth Version||BT 5.0|
|Compatible OS||Android 4.4 or above , iOS 9.0 or above|
|Operating Mode||Touch Screen|
|APP Name||Mi fit|
|Heart Rate Monitor||Support|
|Blood Pressure Monitor||/|
|Blood Oxygen Monitor||/|
|Multi-sport Modes||Support (Swimming,Outdoor Run etc)|
|Call or Message Reminder||Support|
|Notification||Support Facebook,Twitter,Wechat, WhatsApp etc.|
|Auto Light-up Screen||Support|
|Other Functions||Support Pedometer,Alarm,Calender,Sedentary reminder,Camera remote control,Anti-lost|
|Sensor||Six G-sensor, Heart Rate Sensor|
Battery Capacity: 135mAh
Standby Time: About 20days
Using time: About 7days
Charging Time: About 2hours
|Appearance & Details|
Material: Plastic + Alloy
|1*Xiaomi Mi band 4 (International version) Smart Bracelet|
1.Display and light of shoot will affect the color of the products, pictures for reference only, subject to our available products.
2.Please download the app before usage in order to compatible perfectly with your phone.
1.Q. Is it waterproof ?
A. It's 5ATM waterproof.
2. Q. What is the APP?
A. It’s Mi fit.
3. Q. How to change the time of my device?
A. Please synchronize the device with your phone through Bluetooth to calibrate time.