Listen Tec Gt-08 Sweatproof Smart Watch Phone /bluetooth 4.0/Easy connection/ Make calls/Support SIM/TF Capacitive full-color display with three stylish watch faces and an adjustable band perfectly paired with 1.54-inch smooth touch screen for your easy operation. Support hands-free calls /Answer or Dial calls from your wrist for Android/iOS. Please note you can see the caller ID on your watch if you sync the contact information through Bluetooth connection. Bluetooth mode: For Android system, it supports anti-lost, phone book, Fundo, remote camera and notification push including email,calls, Facebook & Twitter. For IOS system, it supports music player, handsfree/making calls. Sedentary reminder, sleep monitor, remote camera,music player, calendar, calculator, alarm clock,web browser and video recorder are waiting for you to discover and experience. For iPhone,it only supports partial functions including Pedometer, Calendar, Call Sync, Calculator, Clock, Stopwatch, Music player,Handsfree,ect.