Guardian is a smart wearable wristband. It comes with a charging dock communicated via mini USB. Guardian is waterproof, ergonomic and cool to use. You can use it for sports or for your daily routines. Guardian is a friend that takes care of you. It monitors your body and your business to make your life healthier. It measures time, date, steps, movements, blood pressure, calories and then sends the info to your cell phone app. You can also use it to make calls, read e-mails and do a lot of fun things.