The Fitbit Flex 2 is swim-proof, so you can track your exercise in the pool or at the beach. And it fits with your unique style, with a removable tracker you can hide in your own bands, pendants and bangles.

No longer available

Check for stock in your nearest store?

See when you can collect this device from your nearest store.


Stores nearest to ""

At the end of the checkout process, you can book an O2 Guru to help you set up your phone.

You'll need to confirm your click and collect selection at check-out.

Stores nearest to

Already with O2?

Existing Customers

Existing Customers

Apple Watch is available to O2 Pay Monthly customers with an iPhone 6s or newer (Apple Watch Series 4 also compatible with iPhone 6).

New Customers

New Customers

Before you can get your watch, you'll need to buy an iPhone 6s or newer (Apple Watch Series 4 also compatible with iPhone 6), with an O2 Pay Monthly tariff. Once you've done that, come back and you can add your watch.

Before you can get your watch, you'll need to buy an iPhone 6s or newer (Apple Watch Series 4 also compatible with iPhone 6), with an O2 Pay Monthly tariff. Once you've done that, come back and you can add your watch.

Overview

  • The first swim-proof Fitbit

  • Ultra slim and customisable

  • Compete with your family and friends

  • Track your sleeping pattern

  • See features

    Take it swimming

    No need to worry about making a splash. The Fitbit Flex 2 is swim-proof, so you can track your exercise when you're in the pool. And you can even go to the beach or take a bath, without having to take your Fitbit off.

    Wear it anywhere

    The Fitbit Flex 2 is ultra slim, so it won't weigh you down when you're out and about. And it's even got a removable tracker that you can hide in your own jewellery. So you can wear it how you want, and track your steps whatever the occasion.

    Stay competitive

    Got a competitive streak? Use it to stay motivated, by entering Fitbit competitions with your friends. You can set fitness goals and track your activity on the Fitbit dashboard to keep you inspired. On the move? Get the step, calorie or distance stats you need, straight to the LED display on your Flex 2. And your Fitbit will even light up when you get a call or text, as long as your phone's nearby.

    Get a good night's sleep

    It's a good idea to be well rested before you hit the gym. Get all the tools you need to improve your sleeping pattern, with the Fitbit Flex 2. It automatically tracks your sleep, so you can learn about your sleeping pattern. And it can even wake you up without a noisy alarm. Set a silent alarm and it'll wake you up with a gentle vibration, so you can start your day on a positive note.

Reviews

Tech spec

Why O2?

 

Click and collect

Get your device in minutes.

Buy the device you want online, and pick it up from your local store. If it's in stock you can collect it the same day, and could even get it in minutes.

Collection times could vary depending on stock and staff availability in your chosen store. Check opening times for Christmas collection.

Learn more

 

Priority

Get exclusive tickets, offers and experiences.

Priority is your VIP pass to all sorts of exclusive treats. Big and small. From a free coffee every Tuesday to discounts at your favourite restaurants. Try getting tickets to that gig 48 hours before your friends. And then there's your chance to win once-in-a-lifetime experiences.

It's all on Priority and it's only on O2.

Learn more

My O2

My O2

Manage your account 24/7 with My O2.

Keep an eye on your bills, data usage and more, plus add Bolt Ons when you need them - wherever you are. You can also make payments and top up your credit as well as manage your upgrades.

We've also got a free app that highlights who you call and text the most by syncing with your contacts.

Learn more

O2 Recycle

Top picks

Rep example

*Each year your Airtime Plan will be adjusted on your April bill by the RPI rate of inflation announced in the preceding Feb. See o2.co.uk/prices.