Pacoco Smart Wrist Band Sleep Sports Fitness Activity Tracker Pedometer Bracelet Watch for Men Women Boys Girls Ladies Man iPhone 5S 5C 5 4S IOS 6.1 or Aadroid System 4.3 100% Brand New and High Quality. Compatible with android to IOS system: Iphone4s /5 /5c /5s and IOS 6.1or above,Huawei Samsung LG Aadroid System 4.3 or above( Bluetooth version 4.0) App to record your path of life and information. Reminder / Call reminder / Message reminder IOS System unavailable ) Tracker steps / Distance measurement / Calorie consumption management / Sleep cycle / Time display