Padgene Fashion NFC Bluetooth GSM Smart Watch with Camera for Samsung S5 / Note 2/3 / 4, Nexus 6, HTC, Sony and Other Android Smartphones, Grey 1.54" IPS LCD 2.5D Radian Capacitive Touch Screen for easy operation. Built-in SIM card slot and TF card slot. NFC: No need to search, bluetooth pairing, electronic business card. Maximum compatibility. All Android Smartphones and Android Tablet PC. Such as Samsung, HTC, Sony, LG, HUAWEI, ZTE, OPPO, XIAOMI, and so on. It can work with or without SIM card. With SIM card, support 2G GSM 850/900/1800/1900 MHz Network, it is a GSM cell phone. Without SIM card, it works as a cell phone companion, Sync your phone via Bluetooth. More functions: Bluetooth Dialer, Pedometer, Sleep monitor, Sedentary Reminder, Music Player, Alarm Clock, Watch, Camera, Remote camera, Bluetooth SMS/IM Message Notifier, Message Reminder, Call Reminder, Answer Call, Dial Call. Bidirectional anti loss. Anti lost remind Bidirectional search, you will never lose your phone again.