This might sound a lot (and don't forget to check out the prices shown at the end of this review for the best available now) to pay for a tracker, but, believe me, you will quickly save that money back through walking more and catching buses, taxis and trains less, or just leaving the car back at home.
I worked out that I saved the price of my first activity tracker within about two and a half months.
The Fitbit Charge 2 activity tracker is a neat, lightweight trackers that boasts just about everything apart from a built-in GPS.
It records all the major fitness stats, and has a heart-rate monitor, plus specialised sleep-quality measures.
Check out the best online prices at the top and bottom of this review or click here to view today's best prices on Amazon track Steps, Distance, Calories Burned, Active Minutes and Hourly Activity, plus Sleep Duration and quality. Pushing yourself to take the stairs rather than the lift or escalator, or running uphill rather than on the flat is a great way to increase your heart rate and burn more calories.
allows users to track workout intensity and calorie burn, and see the results via interactive charts and graphs on the app and Fitbit dashboard.
A quick-glance gauge allows you to adjust your intensity on the fly for a precision workout.
Heart-rate monitoring works well with the new Experts now believe that 60-80 beats per minute (bpm) is a healthy level.
The Special Edition wristband features the same Classic Band material but "reimagined" with a beveled diamond texture.
A Luxe Leather band is available separately in either Brown, Indigo and Blush Pink leather.
The heart-rate icon on the Charge 2 display tells you if you're in one of three heart-rate zones.
The low- to medium-intensity Fat Burn zone is measured at 50-69 percent of maximum heart rate.
If you want super-accurate heart-rate data then you need to strap a specialist device to your chest. Wristband heart-rate monitors instead use an optical heart rate monitor that detects the pulse by shining a light through the skin to see blood flow.