Brand: Excelvan (1 year warranty and customer service)
Heart Rate Monitoring: The device monitors your heart time in real time to help you do exercise and adjust your training plan scientifically.And constantly traces any changes in your heart rate,and it will remind you when your heart rate is out of the safe range
Activities Record: Record daily activities, you could check daily activities including steps, distance and calorie consumption in the app
Sleep Quality Monitoring: Automatically recognize your state and monitor the whole sleep progress with analyzing the deep sleep and light sleep hours
Call/SMS Reminder: It will remind you phonecall or messages from twitter, facebook, line, instagram through vibrating