Free Delivery over £30* | Free Click & Collect at Decathlon Stores | 365 Days to Return

Activity tracker for general fitness and swimming.

Reference : 8389247

Flex 2 Activity Tracker

Designed for track your sleep and activity, and activate call and SMS alerts when required. The extra slim electronic coach is detachable and waterproof. Includes 2 straps (S and L).

Unfortunately, this product is no longer available

Track your daily activities:

Monitor your daily number of steps, distance covered, calories burned, number of active minutes, activity by hour and inactive time.


Automatically track activities like running, a range of sports and aerobics sessions, then check the exercise reports in the Fitbit application.

Automatic sleep tracker

Automatically track the duration and quality of your sleep. Configure a bedtime reminder to establish a good routine and wake up gently with a silent alarm.


Track your swimming sessions automatically and consult your exercise reports in the Fitbit application. Just take the plunge - in your bath or at the beach.
Waterproof to 100 metres, Flex 2 is the first Fitbit swimming tracking device.

Stay in touch all day.

- SMS and call alerts: you can set Flex 2 to vibrate and use different colours for call or SMS alerts.
- Get moving: Flex 2 sends activity reminders to encourage you to do 250 steps every hour to help you stay active all day.
- Long-life battery: up to 5-hour battery life for tracking your activities day and night without recharging.


The Fitbit Flex 2 wristband is made from a flexible and durable elastomer material, similar to that used in many sports watches.The buckle is made of surgical-grade stainless steel.

Weight and dimensions

Dimensions: 31.7 x 8.9 x 6.8 mm
- Weight: 23.5 g

Size S: for wrists with a circumference from 14 cm to 17 cm.
Size L:for wrists with a circumference from 16.5 cm to 20.6 cm.
- Band width:11mm

Environment requirements

Temperature for use: -10° to 45°C
Maximum altitude for use: 9,144 m

Pack includes

- Fitbit Flex 2 removable electronic coach
- 2 standard bands (small and large)
- Charging cable

See more See less
Guarantee : 2 Years