LESUN A1 Bluetooth Sport Smartwatch With SIM Phone Call,Anti-lost,Activity Tracking, Sleep Monitoring, Take Selfie for iPhone 6 Samsung S4/Note 2/Note 3 HTC Android/IOS Smart Phone (Gold) GSM & Bluetooth Smartwatch with Touch Screen Lasts multiple days on a single battery charge. Can work separately as a cell Phone. Bluetooth Dialer & Bluetooth Headset, Music Player, Camera, Alarm Clock, Watch, Pedometer, Vibration Alert This watch can be a real standalone CellPhone,enable to make call or receive call and send or get message via the sim card you inserted .Through Bluetooth, it enable to make call or receive call or get message This watch can also work with iPhone as a Bluetooth device(Means you can receive a call or make a call also sync your contacts to this watch via bluetooth).But Some functions like Notification Push,Remote capture,Anti-lost are currently unavailable on iOS because the iOS app is unavailable now. 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. Delicate and beautiful,close the laminating process.will bring you ecquisite realistic images.With the built-in camera,A1 can take photos or videos everywhere.