• 1.5'' inch TFT HD LCD; 240*240 pixel
• Support sim card GSM 850/900/1800/1900MHz, GPRS/EDGE
• 360mAH Lithium-ion polymer battery
• Supports local call with built-in sim card and sync phone by Bluetooth 3.0
• Bluetooth dial: After connect with your smart phone, can make/receive calls directly
• Sync smart phone's phonebook and call history?
• Sync calls: ring to remind you there is a calling from other on watch and can answer it directly?
• Sync SMS and Music: can read/send SMS, listen to music from smart phone on watch directly 
• Pedometer,Sleep Monitor,Calorie,Sedentary reminder,Stopwatch,calculator
• Inbuild Mic, Speaker,1.3 Camera, G-Sensor

It runs Facebook, Twitter, and WhatsApp independently when you put SIM card and TF card in this watch. This watch Also has sync calls, sync messages, push notification, Pedometer, alarm clock, sleep monitor, remote camera, BT music, sedentary remind, calendar, calculator, voice recorder, MP3, MP4, Anti-lost functions. All functions work for Android phones. (Please note for iPhone, sync message, push notification, Anti-lost, Remote camera, BT music functions does not work for iPhone.) If put SIM card in the watch, you can make a phone call directly from the smartwatch, including answering and dial-up. If not put SIM card, you can connect watch with your smartphone by Bluetooth, then you can make a phone call, including answering and dial-up. Capacitive full-color display- Three stylish watch faces and with 1.54" TFT LCD 2.5D Radian Capacitive Touch Screen 240*240 pixels This Smartwatch is compatible with Samsung, HTC, Sony, LG, HUAWEI, ZTE, OPPO, XIAOMI, Lenovo, Infinix, Tecno, itel, Gionee, iPhone 7, 7S, iPhone 6, 6s, iPhone 5s, 5, 4s, 4.