Fitbit Sense 2 Digital Touchscreen Black GPS (satellite)
- Manage stress
- Improve sleep
- Focus on heart health
- Work out smarter
- Help from Google
More Information
Display type | Digital |
---|---|
Built-in speaker(s) | Yes |
Touchscreen | Yes |
Bluetooth version | 5.0 |
SKU | FB521BKGB |
EAN | 0810038858364 |
Manufacturer | Fitbit |
Availability | Y |
Reasons To Buy

Understand stress with all-day body response tracking.
Identify patterns of stress with all-day body response tracking and smart notifications to remind you to reflect on your emotions. Try new ways of managing stress with guided breathing, exercise, meditations and more.

Sleep Profile and Sleep Score give insights for better sleep.
Sleep Profile breaks down your sleep data each month and pinpoints how you can improve sleep based on 10 key sleep metrics.
Check your Sleep Score to learn about the quality of your previous night's sleep, and get a breakdown of time in light, deep, and REM sleep with Fitbit Premium.

Focus on your heart with the ECG app and heart rate tracking.
Use the ECG app for on-demand atrial fibrillation assessment or turn on irregular heart rhythm notifications to assess your heart rhythm while you're still or sleeping.
Heart rate tracking surfaces insights from your sleep, stress, activity, and more while high and low heart rate notifications keep a close eye on your heart.

Get more out of your workouts.
Your Daily Readiness Score analyzes recent activity, sleep, and heart rate variability. Maybe you’re signed up for a HIIT class but change plans after seeing your score – Fitbit Premium serves up a yoga flow for you.

Help from Google Maps and Google Wallet.
Reach your destinations easier with turn-by-turn directions from Google Maps.5 Make speedy, secure checkouts from your wrist with Google Wallet.

Level up your fitness routine
Fitbit Premium helps you get more out of your workouts with a Daily Readiness Score that lets you know what your body's capable of. Explore a library of energizing workouts, de-stress with mindfulness sessions and get motivated with content from leading fitness brands.

Style & comfort
Sense 2 is sleek and slim with raised band attachments that make it more comfortable for all-day wear. The modern design complements styles ranging from funky to formal.

Smart info on the go
Get notifications from your phone, pay for retail items4, use the built-in voice assistant and send quick replies and voice replies right from your wrist.

Battery for 6+ days
Sense 2 tracks all your health & fitness stats for 6+ days without having to stop for a charge. Plus get a full day's charge in just 12 minutes.

Display your way
Choose from hundreds of clock face designs and store up to 5 favorites right on your wrist.

Easily pay hands-free
Pay from your wrist at retail stores or transit stations that accept contactless payments.

Ask your voice assistant
Use Amazon Alexa Built-in to ask your Fitbit smartwatch questions, set alarms, check the weather and more.

The app has it all
See your stats, trends and all your progress in one place with the Fitbit app—plus access your Premium membership for personalized guidance.

Menstrual health tracking
Log periods, symptoms and more with menstrual health tracking in the Fitbit app.
Description
Identify patterns of stress with all-day body response tracking and smart notifications to remind you to reflect on your emotions. Try new ways of managing stress with guided breathing, exercise, meditations and more.
Sleep Profile and Sleep Score give insights for better sleep.
Sleep Profile9 breaks down your sleep data each month and pinpoints how you can improve sleep based on 10 key sleep metrics.
Check your Sleep Score to learn about the quality of your previous night's sleep, and get a breakdown of time in light, deep, and REM sleep with Fitbit Premium.2
Focus on your heart with the ECG app and heart rate tracking.
Use the ECG app for on-demand atrial fibrillation assessment or turn on irregular heart rhythm notifications to assess your heart rhythm while you're still or sleeping.3
Heart rate tracking surfaces insights from your sleep, stress, activity, and more while high and low heart rate notifications keep a close eye on your heart.
Get more out of your workouts.
Your Daily Readiness Score analyzes recent activity, sleep, and heart rate variability. Maybe you’re signed up for a HIIT class but change plans after seeing your score – Fitbit Premium serves up a yoga flow for you.2
Help from Google Maps and Google Wallet.
Reach your destinations easier with turn-by-turn directions from Google Maps.5 Make speedy, secure checkouts from your wrist with Google Wallet.4
Specifications
Features | |
---|---|
Waterproof up to | 50 m |
Heart rate monitor | Yes |
Ambient light sensor | Yes |
Thermometer | Yes |
Altimeter | Yes |
Built-in camera | No |
Vibrating motor | Yes |
FM radio | No |
Mobile operating systems supported | Android, iOS |
Operating system installed | Fitbit OS |
Built-in microphone | Yes |
Touchscreen | Yes |
Built-in speaker(s) | Yes |
Short Message Service (SMS) | Yes |
Display type | Digital |
Accelerometer | Yes |
Quality of sleep | Yes |
Virtual assistant | Amazon Alexa |
Smart notifications | Yes |
Answerphone remote access | Yes |
Activity tracker | Yes |
Heart rate sensor type | Optical |
Distance travelled | Yes |
Calories burned | Yes |
SMS notifications | Yes |
Vibrating alarm clock | Yes |
Blood pressure monitor | Yes |
Country of origin | United Kingdom |
Always-on display | Yes |
Blood oxygen sensor | Yes |
Skin temperature sensor | Yes |
Workout tracking | Yes |
Find my phone function | Yes |
Call notifications | Yes |
Automatic daily activity detection | Yes |
Alarm clock | Yes |
Advanced workouts | Yes |
Technical details | |
Heart rate monitor | Yes |
Ambient light sensor | Yes |
Thermometer | Yes |
Altimeter | Yes |
Waterproof up to | 50 m |
Product colour | Black |
Built-in camera | No |
Watch glass type | Corning Gorilla Glass 3 |
Vibrating motor | Yes |
FM radio | No |
Protection features | Water resistant |
Shape | Square |
Band colour | Black |
Mobile operating systems supported | Android, iOS |
Operating system installed | Fitbit OS |
Built-in microphone | Yes |
Touchscreen | Yes |
Built-in speaker(s) | Yes |
Short Message Service (SMS) | Yes |
Display type | Digital |
Accelerometer | Yes |
Quality of sleep | Yes |
Virtual assistant | Amazon Alexa |
Smart notifications | Yes |
Answerphone remote access | Yes |
Display | |
Watch glass type | Corning Gorilla Glass 3 |
Touchscreen | Yes |
Display type | Digital |
Always-on display | Yes |
Colour display | Yes |
Design | |
Market positioning | Smartwatch |
Watch case colour | Black |
Watch case material | Aluminium |
Band size | S/L |
Wrist size range | 129 - 209 mm |
Waterproof up to | 50 m |
Product colour | Black |
Protection features | Water resistant |
Shape | Square |
Band colour | Black |
Closure type | Single prong strap buckle |
Maximum strap length | 20.9 cm |
Suggested gender | Unisex |
Minimum strap length | 12.9 cm |
Waterproof | Yes |
Watch glass type | Corning Gorilla Glass 3 |
Performance | |
Built-in camera | No |
FM radio | No |
Mobile operating systems supported | Android, iOS |
Operating system installed | Fitbit OS |
Built-in microphone | Yes |
Built-in speaker(s) | Yes |
Network | |
GLONASS | Yes |
GPS (satellite) | Yes |
Mobile network connection | No |
Ports & interfaces | |
USB port | No |
Near Field Communication (NFC) | Yes |
Bluetooth | Yes |
Wi-Fi | No |
Bluetooth version | 5.0 |
Headphone connectivity | Bluetooth |
Bluetooth Low Energy (BLE) | Yes |
Power | |
---|---|
Charging time | 2 h |
Battery technology | Lithium Polymer (LiPo) |
Battery life (max) | 144 h |
Battery life (GPS mode) | 5 h |
Battery type | Built-in battery |
Battery life | 6 day(s) |
Battery life | 144 h |
Operational conditions | |
Operating temperature (T-T) | -10 - 45 °C |
GPS Performance | |
GLONASS | Yes |
GPS (satellite) | Yes |
Other features | |
Product colour | Black |
Bluetooth | Yes |
Protection features | Water resistant |
Weight & dimensions | |
Width | 91 mm |
Depth | 176 mm |
Thickness | 6.6 cm |
Weight | 200 g |
Packaging data | |
Package width | 194 mm |
Package depth | 219 mm |
Package height | 369 mm |
Packaging content | |
Charging base | Yes |
Charger | Yes |
Logistics data | |
Harmonized System (HS) code | 8517620000 |
Delivery Details
- UK distributors.
- Order before 4 pm for next-day delivery.
- Standard (2-3 days) £7.50
- Next Day £9.99
- Free standard delivery over £100
There are deivery surcharges to these postcodes:
Postcode | Charge |
IV3-40 | £20 |
IV52-54 | £20 |
IV63 | £20 |
KW1-14 | £20 |
PA10-40 | £20 |
PH19-40 | £20 |
PH50 | £20 |
HS | £50 |
IV41-51 | £50 |
IV55-56 | £50 |
KA27-28 | £50 |
KW15-17 | £50 |
PA41-49 | £50 |
PA60-62 | £50 |
PA76-78 | £50 |
PH41-44 | £50 |
ZE | £50 |
IM | £50 |
JE | £50 |
GY | £50 |
TR21-25 | £50 |
BT | £20 |
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---|---|---|---|---|---|---|
SKU |
FB521BKGB
|
FB523BKBK
|
SM-R920NZKAEUA
|
SM-R920NZTAEUA
|
SM-R940NZSAEUA
|
55020BGW
|
Description |
Understand stress with all-day body response tracking.
Identify patterns of stress with all-day body response tracking and smart notifications to remind you to reflect on your emotions. Try new ways of managing stress with guided breathing, exercise, meditations and more. Sleep Profile and Sleep Score give insights for better sleep. Sleep Profile9 breaks down your sleep data each month and pinpoints how you can improve sleep based on 10 key sleep metrics. Check your Sleep Score to learn about the quality of your previous night's sleep, and get a breakdown of time in light, deep, and REM sleep with Fitbit Premium.2 Focus on your heart with the ECG app and heart rate tracking. Use the ECG app for on-demand atrial fibrillation assessment or turn on irregular heart rhythm notifications to assess your heart rhythm while you're still or sleeping.3 Heart rate tracking surfaces insights from your sleep, stress, activity, and more while high and low heart rate notifications keep a close eye on your heart. Get more out of your workouts. Your Daily Readiness Score analyzes recent activity, sleep, and heart rate variability. Maybe you’re signed up for a HIIT class but change plans after seeing your score – Fitbit Premium serves up a yoga flow for you.2 Help from Google Maps and Google Wallet. Reach your destinations easier with turn-by-turn directions from Google Maps.5 Make speedy, secure checkouts from your wrist with Google Wallet.4 |
Get better results from your workout routine.
Check workout readiness with your Daily Readiness Score. Daily Readiness Score analyses your recent activity, sleep, and heart rate variability to determine your exercise readiness. Depending on factors like activity levels, heart rate variability, and sleep patterns, it might recommend a meditation class rather than an intense workout. Track more workouts than ever and get all the credit. Choose from strength training, kayaking and more with 40+ exercise modes and see your stats in the moment on your smartwatch. Plus, get real-time pace and distance during outdoor workouts—no phone necessary—with built-in GPS. Navigate, pay and stay in touch all day. Reach your destinations easier with turn-by-turn directions from Google Maps.4 Make speedy, secure checkouts from your wrist with Google Wallet.5 Stay comfortable with a thin, lightweight design. Stay comfortable all day, during workouts, sleep and more with a design that fits more naturally on the wrist. |
Power through your workout
Go hard knowing that your watch can keep up, with the biggest battery capacity among our wearable series. Never miss a beat The powerful 3-in-1 Samsung BioActive Sensor controls three health sensors effectively: Optical Heart Rate, Electrical Heart, and Bioelectrical Impedance Analysis. The sensor can monitor your heart rate, track your cardiovascular health, and record your blood pressure. Stronger than your toughest workout Now 2x tougher front display thanks to Sapphire Crystal. It even looks indestructible with Black Titanium or Gray Titanium body cases to take the big hits. Get your way Enter the studio and customise from a range of new bands and styles to match your unique look. Mix and match with different combinations only on samsung.com. |
Power through your workout
Go hard knowing that your watch can keep up, with the biggest battery capacity among our wearable series. Never miss a beat The powerful 3-in-1 Samsung BioActive Sensor controls three health sensors effectively: Optical Heart Rate, Electrical Heart, and Bioelectrical Impedance Analysis. The sensor can monitor your heart rate, track your cardiovascular health, and record your blood pressure. Stronger than your toughest workout Now 2x tougher front display thanks to Sapphire Crystal. It even looks indestructible with Black Titanium or Gray Titanium body cases to take the big hits. Get your way Enter the studio and customise from a range of new bands and styles to match your unique look. Mix and match with different combinations only on samsung.com. |
More screen. Thinner bezel
Get even more info at a glance on up to 20% more display. The up to 30% slimmer black margin makes way for Galaxy Watch's biggest screen yet, and more space for self expression with customizable watch faces. Switching bands is One-Click easy Press the band release button to detach your watch straps easily. Swap them out to change from workout to go-out styles with just one touch. The band guide makes it easy to align, with a satisfying click once it's reattached. Scratches are no match for Sapphire Crystal glass Ready for anything, rain or shine. Ultra-durable Sapphire Crystal glass makes for a resilient and sturdy watch display, while IP68 and 5ATM ratings mean your watch is tough enough to stay with you on your adventures. Better days begin with better nights Understand your nights to make the most of your days. Wear your Galaxy Watch6 to bed and monitor your nightly sleep stage, sleep score and sleep consistency to improve your sleep. And now you can access Sleep Coaching directly on your watch, so you can check tips right on your wrist. Be prepared with Cycle Tracking Get in tune with your health and body. Cycle Tracking powered by Natural Cycles˚ uses your nightly skin temperature from your watch, measured while you sleep, to predict the dates of your period and other cycles. Plan ahead and live life to the fullest with Galaxy Watch6. A heart monitoring package that watches over you Lessen your worries with a heart monitoring package that brings you peace of mind, so you can focus on your day. The built-in PPG sensor periodically measures heart rate and heart rhythm while you wear your Galaxy Watch6, and will alert you if your heart rate is too high or too low. It will also send you a notification if it detects an irregular heart rhythm, along with a prompt to take an ECG to examine your heart rhythm in more detail. Add a quick BP check to your wellness routine Maintain a healthy lifestyle by adding a quick blood pressure check to your daily routine. Measure and track your blood pressure right on your wrist with Galaxy Watch6. No additional equipment required! Know your body inside and out with BIA Skip the clunky machines - collect data on your body any time you like, with the Bioelectrical Impedance Analysis (BIA) sensor on your Galaxy Watch6. These measurements will help you take a data-driven approach to monitor your body and health better and set personalized fitness goals. Exercise tracking - Monitor your fitness journey Record each of your physical accomplishments, and check all of your progress with Galaxy Watch6. Track your movements for over 90 workouts, including indoor swimming and yoga, or you can even create your own custom workout. Forget to hit start? Your watch will automatically recognize and record select workouts such as running, walking and now, even cycling, so you don't lose precious data. Set your perfect intensity with personalized HR Zone Set a personalized HR Zone. Or just start running and Galaxy Watch6 will measure your heart rate based on your fitness capacity and optimize an HR Zone that suits you. Once set, you can get notified when you enter your goal HR Zone and make sure you're still in the zone as you move, run and work out to your own beat. Snap remote Galaxy Z Flip5 photos from your watch Pair your watch with Galaxy Z Flip5 to capture the healthy you up close or from a distance. Galaxy Z Flip5's Flex mode and Camera Controller let you easily switch between photo and video mode, or zoom in and out, all from the comfort of your wrist. Then tap the shutter button on your watch to take a pic. Samsung Wallet is available on your watch Don't fumble in your pockets or rummage through your bag looking for cash or cards — you've got Samsung Wallet for that. Now you can pay and ride without taking out your phone, because everything you need is just a swipe or tap away. Customize to suit your personality Make Galaxy Watch6 uniquely your own. Choose from a wide collection of bands in different styles and materials. You can also customize your watch face with your favorite colors, complications, designs or even photos of your pet. The only limit is your imagination. |
Huawei WATCH 4. Display diagonal: 3.63 cm (1.43"), Display technology: AMOLED, Display resolution: 466 x 466 pixels, Touchscreen. GPS (satellite). Weight: 48 g. Waterproof up to: 50 m, Band material: Leather, Band colour: Brown, Band size: One Size
|
Short Description |
Fitbit Sense 2 Shadow Grey/Graphite
|
Fitbit Versa 4 Black/Graphite
|
SM-R920NZKAEUA
|
SM-R920NZTAEUA
|
Galaxy Watch6 Bluetooth (44mm)
|
Huawei WATCH 4, 3.63 cm (1.43"), AMOLED, Touchscreen, GPS (satellite), 48 g
|
Manufacturer |
Fitbit
|
Fitbit
|
Samsung
|
Samsung
|
Samsung
|
Huawei
|