<b>Lintelek fitness tracker with heart rate monitor requires iOS 7.1 & Android 4.4 above, Wireless 4.0 (Smartphone only, not for PC, iPad or Tablet)</b><br><b> NOTE: IP67 water resistant, you can wear the tracker when running in rains and washing hands, but do not wear it when showering, swimming, or diving.</b><br><br><b>KEY FEATURES:</b><br><b>OLED 0.96 Inch Screen:</b> View your health data on a bright and clear OLED 0.96 inch screen and customize your clock face that suits your taste.<br><b>Call Alert:</b> The tracker vibrates and call is displayed on the screen when there is an incoming call.<br><b>Sedentary Alert: </b>Set reminders for periods of time of inactivity.<br><b>Alarm Alert: </b>Set silent alarms on the tracker to wake you up and not disturb your partner.<br><b>SNS Alert: </b>Receive notifications from other apps (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) on your tracker screen.<br><b>SMS Alert:</b> Enable the function to read incoming text messages on your tracker screen. <br><b>Remote Camera Shooting: </b>Operation on the screen could remotely control photography shooting.<br><b>Wrist Sense:</b>The screen is automatically lightened up when you turn your wrist towards you. <br><br><b>SPECIFICATIONS</b><br><b>Model: </b>ID115Plus HR <br><b>Wireless Version: </b>Wireless 4.0 or later Wireless Transmission <br><b>Distance:</b> 10 Meters (32.8 feet)<br><b> Dimension: </b>suits for wrist size: 5.4 inch - 7.6 inch<br><b>Battery type: </b>Li Battery Battery capacity: 65mAh<br><b>Working time:</b> 5-10 days<br><b>Charging time: </b>1-2 hours<br><b>Weight: </b>0.84 oz (23.8g)<br><br><b>PACKAGE INCLUDE:</b><br><b>1*Fitness tracker</b><br><b>1*Free Band<br><b>1*User Manual</b><br><b>1*Exquisite Packaging</b><br><br><b>The mobile system requires android 4.4 and in_version. Or ios7.0 and above to install and use android. Trackers are not known to be compatible only Samsung j3 (bug in Bluetooth protocol for mobile phones).</b>