Fitbit Zip is an all day activity tracker that motivates you to be active. It performs basic function of a tracker like steps taken, distance and calories burned. It's very affordable at around less than $60. However, it doesn't track steps when climbing stairs or sleep.
It is equipped with a large LCD display that shows all the information, including the time of day, just to the display for quick access. Information can also be viewed on Android or iOS app.
The battery life is really good, it can lasts up to 6 months without recharging. The battery is a replaceable 3V coin battery, CR2025. Once the power is below 25%, a low battery indicator will show on the display of your Zip.
It's really easy to carry just clip it to your pocket, belt or shirt. It is one of the most discreet trackers on the market today. It is sweat, rain and splash proof.
Fitbit Zip $53.99