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    Fitbit

    Fitbit Sense 2 FB521BKGB Smart Watch - Shadow Grey/Graphite

    4.3/5 Read 205 customer reviews
    £132.50 Ex VAT

    Choose colour

    • Blue Mist/Soft Gold
    • Lunar White/Platinum
    • Shadow Grey/Graphite

    Key Features

    • -10 - 45 °C Operating Temperature
    • 129 - 209 Wrist Size Range
    • 144 Hours Battery Life (max)
    • 2 Hours Full Charge Time
    • 5 ATM Water Resistant Rating

    Product Specification

    Key Information

    Battery Life
    6 Hours
    Blood Oxygen Measurement
    Yes
    Blood Pressure
    Yes
    Built-in Speaker
    Yes
    Call Notifications
    Yes
    Case Type
    Graphite Aluminium
    Display Type
    Digital
    Full Charge Time
    2 Hours
    Gender
    Unisex
    Heart Rate Sensor Type
    Optical
    Ideal For
    Smartwatch
    Mobile Network Connection
    No
    Mobile Operating Systems Supported
    Apple iOS 15 or higher, Android OS 10 or higher
    Strap Colour
    Black
    Vibrating Alerts
    Yes
    Waterproof
    Yes

    Compatibility

    FM Radio
    No

    Connectivity

    Headphone Connection
    Bluetooth

    Design

    Closure
    Single prong strap buckle
    Customisable Watch Faces
    Yes
    Protection Features
    Water resistant
    Shape
    Square
    Strap Material
    Classic Band
    Watch Case Colour
    Black
    Water Resistant Rating
    5 ATM
    Waterproof Depth
    50 m
    Wrist Size Range
    129 - 209

    Features

    Operating Temperature
    -10 - 45 °C

    Features We Love

    Always-On Display
    Yes
    Bluetooth Smart (Low Energy)
    Yes
    Colour Screen Display
    Yes
    NFC
    Yes
    Smartphone Notifications
    Yes
    SMS Notifications
    Yes
    Voice Assistant Technology
    Amazon Alexa
    Water Resistant
    Yes
    Works With Amazon Alexa
    Yes

    Fitness and Tracking

    Activity Tracker
    Yes
    Calorie Tracking
    Yes
    Distance Tracking
    Yes
    Fitness Tracking
    Yes
    Sleep Tracking
    Yes

    Operating System & Software

    Operating System
    Fitbit OS

    Ports

    USB Port
    No

    Power and Battery

    Battery Life (max)
    144 Hours
    Battery Technology
    Lithium Polymer (LiPo)
    Battery Type
    Built-in battery

    Product Detail

    Alarm Clock
    Yes
    Brand
    Fitbit
    Case Material
    Aluminium
    Category
    Smart Watches
    Colour
    Shadow_Grey_Graphite
    Country Of Origin
    United Kingdom
    Dimensions
    (H)0.0 x (W)9.1 x (D)17.6
    SKU
    FB521BKGB
    Strap Size
    S/L

    Screen Technology

    Screen Features
    Corning® Gorilla® Glass 3
    Screen Type
    AMOLED
    Touchscreen
    Yes

    Sensors

    Accelerometer
    Yes
    Always On Altimeter
    Yes
    Ambient Light Sensor
    Yes
    GLONASS
    Yes
    GPS
    Yes
    Heart Rate Monitor
    Yes
    Pedometer
    Yes
    Skin Temperature Sensor
    Yes

    Smart Technology

    Calendar Alerts
    Yes

    Sound Technology

    Built-In Microphone
    Yes

    System and Features

    Receive Notifications
    Yes

    Warranty

    Manufacturer Warranty
    1 Year

    What's In The Box

    Charger Included
    Yes
    Charging Dock
    Yes
    Manual / Quick Guide
    Yes

    Wireless Connections

    Bluetooth
    Yes
    Bluetooth Version
    5.0
    WiFi
    No

    Customer Reviews

    Any offers are genuine savings. Because we match the prices of competitors, there is the potential for prices to drop further. We will always offer our customers our price match guarantee. See terms and conditions.

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