Flylinktech&reg; New L15 Hi Watch Bluetooth Smart Watch Phone Suppot SIM Card Unlocked 1.55 Inch Touch Screen for Smartphones Android (Black) The Hi watch is a bluetooth watch and also a standby phone after insert a SIM card! After connectting it with your smart phone, Ring or gently vibrating reminder when your smart phone receive a message (including Wechat, Facebook, Twitter, WhatsApp, Skype, and so on. Also Only for android phone.) It is also a standby cell phone, when your smart phone without power, you can put the SIM card into the watch, it can make calls, send and receive SMS when meet the emergency. Support: voice calls, text messages, music player, radio, alarm clock, 300000 camera function,pedometer, vibrating alert, Micro message, QQ, camera, mobile phone, remote for automobile anti-theft, sleep monitoring function. For Android System,can support all function mentioned in the description;But for IOS,only can make/answer telephone calls.