M4 Fitness Smart band M4 Fitness Smart band: If you’re a fitness freak and love keeping a track of the calories burnt, sleep cycle, and heart rate, Blood pressure, and Remote camera control then the M4 Smart Band serves your requirements. This smart band works as a heart rate tracker, fitness watch, and an activity tracker. M4 Waterproof Smart fitness Band compatible with Bluetooth or Heart Rate Sensor. It is compatible with devices having Bluetooth version 4.0 and below in smartphones, tablets, and PCs and also support Android and IOs.
Calls/text reminder: It will vibrate to alert you if your phone receives a phone call, text, SNS; You will never miss a call and a message; Sedentary reminder, when you focus on your work too long, it gives you a notice to relax
TFT HD LCD touch screen, there have four different operation interface for you to change, Resolution ratio: 128×64 pixel; 380MAH polymer lithium battery, standby time up to 5 hours after 1.5 hours fully charged 1 Year Warranty on Manufacture Defect