Nolia GV18 Bluetooth Smart Watch GSM NFC Camera Waterproof wristwatch for Andriod Samsung,HTC,Sony,LG,HuaWei,ZTE,OPPO(Black) This GV18 wristwatch can be used as phone freestanding with SIM card. Compatible ForAndroid Mobile Phone: Samsung, HTC, Sony, LG, HUAWEI, ZTE, OPPO, XIAOMI, and so on. Camera watch mobile phone to mobile phone remote control. Functions:Alarm clock, Calendar, Stopwatch, Calculator, Record,Massager etc. Note: apple mobile phone can't download the APP, can only use the bluetooth connection.