About this item 【watch phone】 install an unlocked micro sim card after you open the back cover to make phone calls, gsm bands 850/900/1800/1900mhz. 【bluetooth phone calling】if you don't have a micro sim card, you can also make phone calls after you connect your watch to your android smart phone via bluetooth. 【hd display】high sensitive capacitive touch screen, perfect wearable technology sensitive screen allows you cooperating with your phone smoothly. 【camera】self-timer, take photos by your smart watch or use smart watch control the phone camera. 【sync apps】support message push from skype,wechat,twitter or facebook; other features: time,schedule,read and send sms,skip news, sport health: pedometer,sedentary remind,sleep monitoring etc. call or text us on whatsapp today for deliveries thank for looking so much cheers