Features:1. Operate your phone's main functions on your wrist、Watch for iPhone 4/4S/5/5S Samsung S4/Note 2/Note 3 HTC Android Smart phone2. 1.44" Capacitive Touch Panel TFT LCD、Show incoming caller ID.3. Synchronize the telephone book of smart phone and Bluetooth function、 could make calls and answer the telephone anywhere and anytime4. Could connect to android and ios system、 good compatibility5. Anti-lost、 it will alarm if the smart phone far away it from 10m6. Synchronize the short message、 you need install APK in smart phone7. Bluetooth 3.0+EDR、 supports hands-free calls and more fluent calling effect8. Language Support: English、 French、 Spanish、 Portuguese、 Italian、 German、Turkish、 Russian;9. Music & Talk Time: up to 5 Hours10.StandBy Time: up to 160 Hours11. Power Supply: Built-in rechargeable battery12.Charging Time: about 1 hour# Please note that:1. Apple phone can't download the APP. While Apple phone can be connected to watch、 but only supports access phone calls and using Bluetooth and other functions、 SMS and pedometer data、 can not sync to the phone、 the smart watch also don't support to download software、calculators and other functions. Currently、 our system has not yet reached to this point、 but in the future we will improve it. thank you for your understanding.;2. Android System can support all function in the description; BUT IOS only support: Pedometer、 Calendar、 Call Sync、Calculator、Clock、Stopwatch;3. Bluetooth Notification APK Apps required to install on Android Phone "Gmail、 CNN APP、 ZAKER LINE、 Facebook、MessageQQ、VMessage・Instagram"# Specification Detail・1. Color・ Black・ White・ Red;2. Brand・ ViWatch3. Material・ Zinc alloy + Silicone4. Net Weight: 43g5. Size: 47*40*11mm# What's the Package :1 x Smart Watch1 x USB Cable1 x User Manual