Corelink dz30 [CE RoHs Approval] DZ09 Bluetooth Smart Watch, Anti-Lost, Touch Screen, Wrist Wrap Watch, Phone Pedometer with Camera TF Card Solt for Android Phone - Black 1.56" LCD 240*240 pixels capacitive touch screen, built-in sim card slot and tf card slot(both card not included here), 1.3m camera It becomes a standalone watch phone with sim card inserted, working in 2g GSM 850/900/1800/1900 MHz network Function: Bluetooth dialer, pedometer, sleep monitor, sedentary reminder, music player, alarm clocked Sync function: WhatsApp, WeChat, twitter, Facebook, time, schedule, read message or news, entertainment: Mp3, camera This smart watch can work with iPhone android Samsung phones or any devices via Bluetooth 3.0 connection