Rbx active smartwatch tracker with heart rate monitor tracker stylish and affordable this rbx smart watch is essential for all day and everyday needs. Dial and answerr calls, have a conversation using the watch, adjust music, montior reguar health activities and heart rate, and so much more. Compatable with both ios and andrioid devices. Features built-in hr sensor to monitor your heart rate designed to answer calls, read sms, sync email, play music comes with; daily activity and sleep synchronize phonebook display sms remote control music playback remote capture photo on your smartphone email calendar events and social media activity built-in loudspeaker and microphone heart rate monitor sleep monitor compatible with android/ios fully compatible with ios7 or above and android 4.4 or above features an adjustable band condition: new product dimensions: 2?x1?x9? Weight: 0.37lb. In the box: tracker, charger, instruction manual dial and answer calls adjust music volume displays messages a perfect gift