FeaturesCan record your steps， distance and calories， which can help you set your targetSleep monitoring function， can count up your time of deep sleep and shallow sleep Smart reminder functions， such as in-call reminder， drinking reminder， wake up alarm， sedentary reminder， remote camera， etc.Light and comfortable to wear50m Depth waterproofSuitable for iPhone 4S /5 / 5C / 5S / 6 / 6 Plus， IOS 7.0 and above， Android 4.3 and aboveColor: Silver，Gold，BlackSize: Length 23.4 cm， Width 1.4 cmDisplay:OLED 0.91"Battery capacity:60mAStandby time:5-7 daysNoteSlight color/pattern differences between batches.Package Contents:1 X Smart Bracelet1 X USB Cable1 X User Manual