indigi SWAP ONE is a smart watch and phone is an innovative smartwatch that keeps you connected to your phone via Bluetooth. With its color touchscreen, integrated microphone and speaker, U-Watch acts as a wireless dialer, allowing users to handle calls directly from their wrist - bringing you the all functions of a modern smartphone in a convenient wrist watch form and at a fraction of the price! Complete with Bluetooth, GSM Quad Band connectivity and being fully unlocked. SWAP ONE is a quadband GSM (850MHz, 900MHz, 1800MHz, 1900MHz) unlocked phone that can be used from anywhere across the world. You can stick in your GSM micro SIM-card and you can gain instant access to an amazing communication device that works like a cell phone on your wrist. Without sim-card, No problem! SWAP ONE also allow you to connect to your smartphone via Bluetooth and bring all the features to your wrist. On incoming calls, SWAP ONE rings and vibrates, displaying the caller number and/or contact on its color screen. You can easily answer or reject calls thanks to its home buttons and integrated speaker and microphone. SWAP ONE also notifies you of missed calls and incoming SMS. SWAP ONE lets you stream music from your paired device and features an anti-lost alarm that alerts you with a gentle vibration when your phone is away. Equipped with a pedometer that tracks steps taken, calories burned, Speed and mileage traveled. SWAP ONE also equipped with sleep monitor that track hours and quality of sleep. SWAP ONE is interconvertible to Bluetooth mode and SIM card mode, allowing you to slot in a micro-SIM card on board or connect to your phone via Bluetooth. GSM unlocked and works with any gsm wireless carries in the world such as at&t, t-mobile, Orange, Vodafone, you name it. SWAP ONE also smart enough to work and function without sim card and it is compatible with all Bluetooth devices. (Features varies, please refer to compatibility table)