Excelvan 3-in-1 Touch Screen Unlocked Watch Cell Phones + Pedometer + Bluetooth Smart Watches For All Android OS Phones and iPhone 6 6+ (Part Function) As Watch Cell Phone ; Quad band GSM (850MHz, 900MHz, 1800MHz, 1900MHz) unlocked phone that can be used anywhere all over the world. Sticking in a 2G SIM card and you gain an amazing communication device that works like a cell phone on your wrist. As Bluetooth Samrt Watch;When you have calls, it will remind you and you can receive calls by watch. So you will never miss them! You can call directly by using the smart bracelet which has the built-in MIC and speaker.and Other featue for Android phones As a health manager;This smart bracelet displays health parameters including steps, time and calories. Let you know your sports data right away. (these datas just roughly show your exercise)Take a rest to avoid fatigue! Our smart watch havs sedentary reminder function to keep fit!and will monitor your sleeping TF Card Max. 8G(NOT included) Other Feature ;Anti-lost , Alarm with sound or vibration if leaving your smartphone away from about 10 meters,Remote Capture,Looking Phone etc For android phone.