Classic and customizable style??1.54"TFT LCD 2.5D radian capacitive touch screen for easy operation.Built-in SIM card slot and TF card slotsupport bluetooth connection</br>It becomes a standalone watch phone with SIM card insertedworking in 2G GSM 850/900/1800/1900 MHz network. You can send and read textsmake or receive calls on your watch.Simply like a GSM cell phone.Without SIM card it works as a cell phone companionreceiving and making callsgetting texts via Bluetooth.</br>Phone function: Make phone call directly from the smart watchincluding answering and dial-up.SIM slotsupport make calls by bluetooth or smart watch;Sync message function: twitterfacebook;Entertainment: MP3;Sedentary reminder sleep monitor remote cameramusic player calendar calculator alarm clockweb browser are waiting for you to discover and experience.</br>For Android smartphoneall functions can be used.but for IOS iPhoneit only supports partial functions including Pedometer Calendar Call Sync Calculator Clock Music playerHandsfreeect.</br></br>Product Description</br></br><p><b>Specifications</b> <br>Size: 41x48x12mm <br>Appearance fish technology: stainless steel wire drawing <br>Net weight: 50g <br>CPU: MTK6260A <br>Memory: 128M+64M; support max 32GB TF card <br>Display: 1.54 inc