THE ALL NEW FITBIT CHARGE 4   Battery Life: Up to 7 days Compatibility:  Works with iOS & Android Built-in GPS:  With built-in GPS, leave your phone behind  and explore the outdoors with pace and  distance on your tracker and see a workout intensity map showing your route and effort  in the app when you’re done.  Active Zone Minutes: This feature alerts  you to which heart rate zone you’re in so you can see  if you’re working hard enough to reach your goals.  Sleep Stages & Score: Charge 4 tracks your time in light,  deep and REM sleep stages and gives you a nightly  Sleep Score in the Fitbit app, so you can better understand  your sleep quality and work toward better rest.   280 entries - 5 letters - 56 in each 99p an entry  For free entry see t&c's  Good Luck  *If all of the tickets on competition do not  sell out by the time the countdown timer reaches  zero, an additional 7 days will be added on to  the countdown timer. If all of the tickets have  not sold after the first extended time period,  a 7 day extension will be added up to a maximum  of 4 times. If all tickets have not been sold after  4 extensions of 7 days, a cash alternative prize of 70% of tickets sales will be awarded to the winner  instead of the prize  