Bluetooth Smart Watch Touchscreen with Camera, Sim Card SlotMusicUnlocked Smartwatch Cell Phone for Android Samsung and iOS (Black) Enjoy crystal clear phone call & lightning fast data speeds; Guaranteed To Increase Your Cellular Signal - 60 Day Satisfaction Guarantee Eliminate missed and dropped calls & extend coverage to get rid of dead zones This kit is great for Urban environments, it includes an Omni Directional Outdoor antenna to capture signal from multiple carriers Ideal for you whole house or work space, up to 4,000 sq. ft. area Compatible with all carriers 3G & some 4G networks (except Ident/Nextel)