Colour Screen And Interfaces Easy Easy Operation And Sensitive Response, The Sunlight Colour Screen Is Clearly Visible, The Bracelet Has Main Interface Options. More Features: The Fitness Tracker Supports More Accurate Heart Rate Monitoring, Blood Pressure, Blood Oxygen, Distance, Speed, Calories, Sleep Monitoring, Sms, Sns Message, Sedentary Reminder, Incoming Call, Alarm, Weather Forecast , Check The Phone And More. You Can Read Messages On The Facebook Fitness Tracker, Whatsapp, Instagram, Twitter, Line, Etc. Wide Compatibility The Application Is Compatible With Most Smartphones With Bt 4.4 Specifications:Wrist Strap Size: 260Mm*20Mm*2.3Mm - Body Size: 41*34*10Mm - Weight: 31.8GDisplay Size: 1.3Inch - Resolution: 240*240Battery Capacity: 170Mah - Machine Material; Top Cover Pc, Body Zinc Alloy Plating, Strap Tpu - Android: System Version 4.4 Or Higher - Waterproof: Ip67You Will Receive: 1 X Smart Bracelet 1 X Instruction Manual 1 X Charging Cable