M4 Smart Bracelet Band Fitness Tracker -Black
M4 স্মার্ট ব্রেসলেট ব্যান্ড ফিটনেস ট্র্যাকার - ব্ল্যাক
Function: Passometer
Function: Fitness Tracker
Function: Sleep Tracker
Function: Message Reminder
Function: Call Reminder
Function: Push Message
Function: Blood Pressure
Function: Alarm Clock
Function: Speed Measurement
Function: Blood Oxygen
Function: Calendar
Function: Week
Function: Heart Rate Tracker
Function: Activity Tracker
Language: English
Function 2: Band 4 2019 Newest band
Function 3: screen Fitness Heart Rate
Function 4: Bluetooth 5.0 Smartwatch
Function 5: Heart Rate Blood Pressure Messages Reminder
