4.0 wireless low-energy health bracelet. This smart watch is great to monitor your health by tracking how active you are in your day-to-day life. It has several functions such as sedentary reminder, blood pressure, heart rate, and incoming call and social media notifications. The smart and slim design make this watch a stylish accessory to wear during the day. Connect the smart bracelet with your iOS or Android smartphone and track your health with a free downloadable app (iOS and Android). The low-energy usage will make the 90 mAh rechargeable Li-pol battery last a long time. Includes a charging cable.