Fitbit Sense the advanced smartwatch focused on health that helps you tune in to your body and guides you toward a better well-being. Detect and manage stress, get low and high heart rate alerts, better understand your sleep quality and even keep an eye on patterns in your skin temperature. Of course you will have all the fitness features you love including in-built GPS and a long battery life with 6+ days. Sense also unlocks a 6-month free Fitbit Premium trial of personalised guidance and advanced insights for new Premium users. Plus all comes in a modern and premium design.

Display

• Display type: Digital
• Touchscreen: Y
• Display diagonal: 4.01 cm (1.58")
• Display technology: AMOLED
• Always-on display: Y
• Colour display: Y
• Rounded display corners: Y

Ports & interfaces

• Wi-Fi: Y
• Bluetooth version: 5.0
• Near Field Communication (NFC): Y
• Headphone connectivity: Bluetooth
• Wi-Fi standards: 802.11b, 802.11g, Wi-Fi 4 (802.11n)

Weight & dimensions

• Width: 40.5 mm
• Depth: 40.5 mm
• Thickness: 1.23 cm
• Weight: 30 g

Power

• Battery technology: Lithium Polymer (LiPo)
• Battery life (GPS mode): 12 h
• Battery recharge time(80%): 0.6 h

Operational conditions

• Operating temperature (T-T): -10 - 45C
• Storage temperature (T-T): -20 - 60C
• Operating altitude: 0 - 8535 m

Network

• Mobile network connection: N
• GPS (satellite): Y
• GLONASS: Y

Packaging data

• Package width: 91.2 mm
• Package depth: 65.5 mm
• Package height: 176.6 mm
• Package weight: 211 g
• Package type: Box

Design

• Market positioning: Smartwatch
• Watch case size: 40 mm
• Watch case colour: White
• Watch case material: Elastomer
• Band colour: White
• Band size: S/L
• Shape: Square
• Suggested gender: Unisex
• Colour name: Lunar White/Soft Gold Stainless Steel
• Closure type: Double prong strap buckle
• Protection features: Splash proof
• Removable strap: Y

Performance

• Built-in microphone: Y
• Built-in speaker(s): Y
• Mobile operating systems supported: Android, iOS
• Operating system installed: Fitbit OS

Features

• Heart rate monitor: Y
• Heart rate sensor type: Optical
• Blood oxygen sensor: Y
• Distance travelled: Y
• Calories burned: Y
• Accelerometer: Y
• Gyroscope: Y
• Activity tracker: Y
• Personal goals: Y
• Quality of sleep: Y
• Vibrating motor: Y
• Personal info management (PIM): Alarm clock, Calendar, Countdown timer, Events reminder, Stopwatch
• Ambient light sensor: Y
• Virtual assistant: Amazon Alexa & Google Assistant
• Smart wake-up: Y
• Remote audio playback: Y
• Haptic feedback: Y
• Weather display: Y
• Calendar notifications: Y
• SMS notifications: Y
• Altimeter: Y
• Vibrating alarm clock: Y

Logistics data

• Commodity Classification Automated Tracking System (CCATS): 8517620000
• Harmonized System (HS) code: 91021200