It’s time to say goodbye to your old fitness band, as Xiaomi Mi Band Pulse is here to keep tab on your overall health from tracking daily activities to heart rate monitoring. With the launch of its second Mi Band Pulse, Xiaomi has become the world’s second largest seller of wearable technology behind only Fitbit. Wondering how did they managed to gaining so much popularity in less time? Well, the company’s Xiaomi Mi Band 1S or Mi Band Pulse is packed with high-end features just for $15.