Smart Band M7 has more functions and in technical terms is more advanced than its predecessor M6. FitPro application, that connects band with phone, is fully free. Thanks to the application we will get the ability to change the appearance of the dial to almost 40 patterns and the ability to upload your own photo as the background of the display. The band will be perfect foe users, who care about monitoring sleep, it has a built-in pedometer, information on distance covered, number of calories burned and notifications of sms messages and incoming calls. Technical specifications: Application: Fitpro Compatible systems: Android 5.0 and higher, IOS8.0 (inclusive) and higher Screen size: 0.96 inches Bluetooth: Bluetooth 4.0 Battery capacity: 80mAh Charging method: USB Water resistance: IP67 Charging time: about 2H Usage time: 2-3 days, standby time 5 days