Smart watch works with iPhone and android both. Use it as a music player, get notifications for iPhone and android both, use it as your phone with built in loud speaker, it’s also rechargeable with usb charger (included).  • It also has a built in sensor for sleep tracking,  • steps tracking.  • Also shows you how much  • calories you can burn while walking.  • Water resistant  Talk time about 3 hours, touchscreen, stands by time about 160 hours, 230mAh polymer lithium battery.  Free standard shipping in United States only. Overnight shipping will be at additional cost. It also comes with a year manufacturers warranty details included.