Saw this posted on HUKD
Main Features:
● Heart rate monitor
Considerate monitor contact designed on the behind of the watch, take care of your health anytime and anywhere
● GPS + GLONASS dual positioning
Easy to find accurate position, provide you safe assurance
● Sleep monitoring
Carefully monitor your sleep quality
● Bluetooth 4.0
Connected with mobile phone App, stable, fast and super low consumption
● 1.28 inch with 2.5D Corning Gorilla Glass screen
Best suitable screen size with high definition picture displaying gives you great experience
● 3.7V / 190mAh Polymer Lithium Battery
It's xiaomi… must buy!