I have purchased serveral smart watch. They all very similiar and only slight differneces in features and pricings. This one is convenient and inlcuding, Sleep Monitor as well as Micro-SIM card slot can be used as a phone and inserted TF card.(Android devices can support all function in the description; BUT IOS only support Partial function. I have andriod phone and it is so easy to connect and make phone call and the screen resoultion is HD. I think it is perfect gift for my friend's birthday. Nice Gaget.
-EVERYTHING YOU NEED: Our RabbyRock SmartWatch for Women & Men is designed to provide everything you need in a convenient and simple way. Our feature rich SmartWatch offers everything you’ll need including Pedometer, Sleep Monitor as well as Micro-SIM card slot can be used as a phone and inserted TF card.(Android devices can support all function in the description; BUT IOS only support Partial function) -COMPATIBLE WITH ANDROID & IOS DEVICES(PARTIAL FOR iPhone): We try our best to make sure our wrist SmartWatch delivers the best possible experience for both IOS & Android phones but due to limitations of the App Stores can only support full functions for Android devices through the app. For iPhone devices, it supports answer & call, phone book, clock, pedometer, phone anti-lost alert etc. But does not support SMS push, APP Notification, remote camera control.( no APK for iPhone) -EASIER ACCESS TO PHONE: Tired of getting up on a crowded train to squeeze your phone out of your pockets? With our Sim Smartwatch, you won’t have to! After your sim card is inserted, you can use it as a regular cell phone which means you don’t need to take your phone out of your pocket anymore just to take a few calls! -THE PERFECT GIFT: Whether you’re looking for the best father’s day gift or the best mother’s day gift or just the best gift for your children or yourself, our Bluetooth 3.0 SmartWatch for Men & Women is guaranteed to make their day! Design to look stylish and provide amazing features, our IOS & Android SmartWatch is exactly what you need! -HD DISPLAY: Our Android & IOS SmartWatch is made to provide the best experience to users which is why it features a classic round shaped full screen that has a high sensitivity HD touch screen to make sure you have the best SmartWatch experience possible!