Specifications : 
Every Unit Tested IP 68 Waterproof to 100m (330ft)
MIL-STD 810G for drops and shocks up to 2m (6.6ft)
Fully sealed against water, dust, dirt and snow
Exposed face for direct touchscreen access
Catalyst's True Sound acoustics for clear sound transmission
All features remain fully functional including Wi-Fi, Bluetooth, LTE, Siri, Digital Crown, Side Button, Heart Rate Sensor, GPS, Altimeter and Magnetic Charging
Easy to install or remove device
Dimensions : 53.7mm x 44.9mm x 14.4mm (2.1" x 1.7" x 0.5")
Also compatible with the 42mm Apple Watch Series 2

What’s in the Box:
Impact-resistant polycarbonate housing
Silicone waterproof sealing wrap
Premium silicone wrist strap
Test dummy with spare screw inside
Screwdriver for assembly

What's Included

• Fitbit Alta HR tracker

• Alta HR classic band

• Charging cable

Sensors & Components

• 3-axis accelerometer

• Vibration motor

Battery and Power

• We recommend charging Alta HR every few days to ensure you are always tracking.

• Battery life up to 7 days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary.

• Battery type: Lithium-polymer

• Charge time: One to two hours

• Radio transceiver: Bluetooth 4.0

Move to the beat of you with a slim heart rate wristband that tracks activity, sleep and exercise, displays notifications & sends Reminders to Move.

What's Included

• Fitbit Alta HR tracker

• Alta HR classic band

• Charging cable

Sensors & Components

• 3-axis accelerometer

• Vibration motor

Battery and Power

• We recommend charging Alta HR every few days to ensure you are always tracking.

• Battery life up to 7 days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary.

• Battery type: Lithium-polymer

• Charge time: One to two hours

• Radio transceiver: Bluetooth 4.0

Click Here to download Fitbit Alta HR Standard Size Guide 

Click Here for more detailed specifications.

Move to the beat of you with a slim heart rate wristband that tracks activity, sleep and exercise, displays notifications & sends Reminders to Move.

What's Included

• Fitbit Alta HR tracker

• Alta HR classic band

• Charging cable

Sensors & Components

• 3-axis accelerometer

• Vibration motor

Battery and Power

• We recommend charging Alta HR every few days to ensure you are always tracking.

• Battery life up to 7 days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary.

• Battery type: Lithium-polymer

• Charge time: One to two hours

• Radio transceiver: Bluetooth 4.0

What's Included

• Fitbit Alta HR tracker

• Alta HR classic band

• Charging cable

Sensors & Components

• 3-axis accelerometer

• Vibration motor

Battery and Power

• We recommend charging Alta HR every few days to ensure you are always tracking.

• Battery life up to 7 days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary.

• Battery type: Lithium-polymer

• Charge time: One to two hours

• Radio transceiver: Bluetooth 4.0

Sensors & Components

• 3-axis accelerometer
• Optical heart rate monitor
• Altimeter
• Ambient light sensor
• Vibration motor

Battery and Power

We recommend charging Fitbit Blaze every few days to ensure you are always tracking.

• Battery life: lasts up to 5 days
• Battery type: Lithium-polymer
• Charge time: One to two hours
• Radio transceiver: Bluetooth 4.0

Memory

• Tracks 7 days of detailed motion data – minute by minute
• Tracks daily totals for past 30 days
• Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times

The slim, sleek FitBit Blaze Activity Tracker (Small Black) is a wristband that will forever revolutionise the way you stay active. Classy and smart, The FitBit Blaze is anything but average, packed with features that make it the fitness tracker of choice.

The FitBit Blaze Activity Tracker (Small Black) tracks and charts your fitness progress. It can connect to any smart device, and gives you seven days of tracking data. It even has on-screen workouts. GPS functionality makes tracking simple, and the PurePulse™ heart rate tracker stores heart rate data at 1 second intervals during exercise and 5 second intervals at other times.

Click here to download the Fitbit Blaze Size guide.

Click here to go to the FitBit Website that has more detailed specifications.

Click here to go to How To Videos about the product.

Sensors & Components

• 3-axis accelerometer
• Optical heart rate monitor
• Altimeter
• Ambient light sensor
• Vibration motor

Battery and Power

We recommend charging Fitbit Blaze every few days to ensure you are always tracking.

• Battery life: lasts up to 5 days
• Battery type: Lithium-polymer
• Charge time: One to two hours
• Radio transceiver: Bluetooth 4.0

Memory

• Tracks 7 days of detailed motion data – minute by minute
• Tracks daily totals for past 30 days
• Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times

Go to the next level in fitness with the FitBit Blaze Activity Tracker (Small Blue). This petite wristband will help you get fit in style. The FitBit Blaze is more than a mere tracker, it’s a smart fitness watch that will revolutionise the way you keep active.

With features like the PurePulse™ heart rate tracker that stores heart rate data at 1 second intervals during exercise and 5 second intervals at other times, or connected GPS to track your every move on the go, it’s no wonder everyone wants one. The FitBit Blaze Activity Tracker (Small Blue) connects to your device so you can chart progress for longer, and even has on-screen workouts.

Click here to download the Fitbit Blaze Size guide.

Click here to go to the FitBit Website that has more detailed specifications.

Click here to go to How To Videos about the product.