Kingear A18 Smart Watch Bluetooth 3.0 NFC Waterproof Watch Phone Camera TF Card Wristwatch for IOS iphone Android Samsung HTC etc (Black) Waterproof but not Diving This A18 wristwatch can be used as phone freestanding with SIM card Passometer, Sleep Tracker, Message Reminder, Call Reminder,Answer Call, Dial Call,Remote Control, Push Message Original brand with high quality from Kingear only For iphone, it just supports answer & call, phone book, music play, camera, clock, pedometer, phone anti-lost alert. Still not support SMS, Radio, remote camera control, sleep monitoring, etc.