Xiaomi Lightweight IP67 Smart Wireless Bluetooth 4.0 Healthy Sports Miband Bracelet for Mi3 Mi4 Redmi Note 4G iPhone 4S 5 5C 5S 6 6 Plus with IOS7.0 or Above The Original Xiaomi bracelet has function of record the sport date in every day, sleep quality monitoring, smart alarm clock wake up.It perfectly supports Xiaomi3 / Xiaomi4 / Red Mi Note 4G After 2015.1.1, the newest xiaomi bracelets support Apple's IOS version 7.0 and above, iPhone 4S/5/5C/5S/6/6 Plus.It supports Pedometers, sleep monitoring, alarm clock, find bracelets, phone calls reminding, Apple health applications. You can view real-time physical activity through mobile applications, monitoring the effect of walking and running, you can identify more sport through the clouds.Xiaomi bracelet can automatically determine whether to sleep, deep sleep and light were recorded and summarized sleep time to help users monitor their sleep quality. It can connect with your android 4.4 mobile phone(support connect the system with android 4.4 or more high), the Battery can support 30 days. Water resistant.Sleep-cycle smart alarm.Fitness monitor & sleep tracker.