GV18 Smart Bluetooth Watch NFC Camera TF Card Wristwatch by MaxSale Model: GV18Type: WearableApplication Age Group: Adult Function: Passometer, Sleep Tracker, Message Reminder, Call Reminder,Answer Call, Dial Call,Remote Control, Push MessageThis GV18 wristwatch can be used as phone freestanding with SIM card. Compatibility: All Android and iOS Mobile Phone &amp; Android Tablet PC. Android Mobile Phone: Samsung, HTC, Sony, LG, HUAWEI, ZTE, OPPO, XIAOMI, and so on. iOS Mobile Phone: iPhone 6, iPhone 6 plus, iPhone 5, iPhone 5s , iPhone 4, Phone 4s Android Tablet PC: Samsung, Nexus, Onda, Newsmy, and so on. Language: English, Russian, Spanish, Portuguese, Turkish, Italian, French, German, Polish, Dutch