You can use the smart watch to make or answer calls. The watch's built-in speaker allows you to listen to your favorite music anywhere. Anti-lost alarm function, push notifications, remote camera. The watch has a sleep monitor, a pedometer, a sedentary reminder, water in-take reminder. A stopwatch so it helps to keep a tab on your activities. Bluetooth Dialer,Pedometer,Sleep monitor,Sedentary Reminder,Music Player,Alarm Clock, Watch,Camera,Remote camera,Bluetooth SMS/Message Notifier,Message Reminder,Call Reminder,Answer Call,Dial Call,NFC for quick pairing. Sync function: whats app, Twitter,Facebook;time,schedule,read message or news;Entertainment: ,Camera.Bluetooth connection support ninety nine percent of mobile phone market samsung,HTC,Nokia,Motorola, most have bluetooth function and mobile phone can use.Smart Watch enables you to take a step ahead into the world of technology, no matter whether you're a tech geek or a sports addict.This dependable and versatile wearable gadget helps you organize efficiently your daily activities and achieve your full potential.Moreover with its help you can send personal messages to your friends or even your heart pulse to your significant other via taps, in case they own an smartwatch too. In a similar way, the unique Taptic Engine is designed to give you delicate and fully customizable nudges when you get a notification.Shut down automatically, The charge time need 1-2 hours, This product only work in 2G SIM and without I pin security it work.Once the Sim is inserted in the Sim slot it needs to be activated by the service provider. As some service providers need to upload their software for sim activation .Enjoy wireless life and set yourself free from wires and cords with H850 Bluetooth 4.1 and CVC Noise Cancellation 6.0 technology. Pair in a few seconds with your smartphone, tablet, or music player, and let your favorite music and podcasts drive you forward.Coming with interchangeable ear buds and hooks, the headset will stay comfortable on your ears even when you are moving around.Bluetooth Earphones was designed for sports usage , made by waterproof material, ergonomic innovative and waterproof sweatproof design, Ensures this headset is comfortable and secure for sports ,running ,jogging ,walking ,exercising,etc.Stylish looks and built-in Bluetooth chip with HiFi Stereo earphones, ensures you could enjoy high quality stereo bass sound. Mini Portable Wireless headsets with built-in microchpone and great Noise Cancellation produces clear loud sound, convenient and easy to answer and end the phones.