Polar A300 Heart Rate Strap

Your body and the A300. Designed to move, and made for each other. It's about getting it right and getting there faster. It's for looking good and feeling great. Make your move.

Change it up – easy to change silicone wristband

Everything counts - shows your steps, distance, and burned calories, and motivates you to reach your activity goal. If you stay still for too long, the A300 will vibrate telling you it's time to move again.

Eat move sleep repeat - Getting enough quality sleep is important for your wellbeing. The A300 automatically clocks both the moment you start sleeping and wake up, and wakes you up with a gentle vibration. Follow your sleeping patterns in Polar Flow to find the right balance of training, daily activity and rest.

See your progress  - Check Polar Flow for more details about your daily activity, training and sleep -– it’s both addictive and motivating!

Main Benefits

24/7 Activity Tracking
Tracks your daily activity at different intensity levels, and shows steps, distance and burned calories.

Activity Goal
Your daily activity goal and guidance on how to reach it.

Activity Benefit
Feedback about your daily, weekly and monthly activity.

Fitness Test
Tells you exactly how your fitness is progressing by measuring your aerobic fitness at rest and evaluating your maximal oxygen uptake.

Heart Rate
When paired up with Polar H7 heart rate sensor, measures your every heartbeat and lets you know if you’re mostly burning fat or improving your fitness. Gives the most accurate calorie burn in heart rate based training.

Smart Calories
Shows exactly how many calories you've burned.

Inactivity Alert
Vibrates when you've been sitting still for too long.

Sleep Duration and Quality
Automatically tracks your sleep time and quality. See and learn from your sleeping patterns in Polar Flow web service and app.

Polar Flow Web Service and App
Free online community and service that helps you understand the impact of your activity and see the long term progress you make.

Changeable Wristband
Vibrantly coloured wristbands are easily changed to reflect your mood and style.

Simple Charging
Charges conveniently with a simple plug and play USB.

Full Features

Fitness test
Polar Fitness Test measures your aerobic fitness at rest in just five minutes. The result evaluates your maximal oxygen uptake (VO2max). Fitness testing will motivate and inspire you to start, maintain or increase physical exercise.

EnergyPointer
EnergyPointer is an easy-to-use feature which tells you during exercising if the main effect of your training is fat burning or fitness improvement.

Heart Rate Zones
Select and monitor the intensity of your training easily with heart rate zones and follow heart rate based training programmes. The default heart rate zones are based on your maximum heart rate: very light (50–60% HRmax), light (60–70% HRmax), moderate (70–80% HRmax), hard (80–90% HRmax) and maximum (90–100% HRmax).

Smart Calories
The most accurate calorie counter on the market calculates the number of calories burned. The calculation is based on your individual data: your weight, height, age, gender and the intensity of physical activity.

Training Benefit
Get motivating feedback immediately after exercise by syncing your A300 with Polar Flow app or web service.

Activity Guide
Activity Guide shows you different ways to reach your recommended daily activity goal and tells you how active you've been during the day.

Activity Benefit
Activity Benefit gives you feedback on a daily, weekly and monthly basis. The more you move, the greater the health benefits are. You can check up on how you're doing either from your smartphone or from the web.

Activity Tracking 24/7
24/7 activity tracking registers your daily activity at different intensity levels. A300 tracks your steps, calories and sleep time, and notifies you when you’ve been inactive for long periods of time.

Activity Zones
Activity Zones track your daily activities on five intensity levels: resting, sitting, low, medium and high. You can see how much time you spend on each level in Polar Flow web service and app.

Sleep Duration and Quality
A300 tracks your sleeping time automatically from when you lie down and your body movements slow down. By showing you the amount of restful versus restless sleep, Polar Flow gives you a detailed look into how you sleep at night. You can see if your sleep’s affected by any changes in your daily life.

Inactivity Alerts with Vibration
A300 gently vibrates when you have been sitting for too long.

Steps and Distance
A300 counts your steps taken during the day and the distance based on the steps.

Advanced Analysis in Polar Flow Web Service
You can easily analyse every detail of your training in Polar Flow web service and gain a deeper insight into your activities with plenty of possibilities to learn from what you do.

Training Targets
Create detailed training targets in Polar Flow web service and sync them to your A300. During training you can easily follow the guidance on your wrist. When you are out of the right HR zone, A300 will vibrate as well as give a visual and audible alarm.

Training Diary
Follow your activity and plan future training sessions. Choose a month or week view, along with a monthly or weekly summary.

Heart Touch
See your heart rate without pressing any buttons: just bring the A300 close to your heart rate sensor.

Heart Rate
See your current heart rate in beats per minute or as a percentage of your max heart rate.

Instant Analysis in Polar Flow App
See your activity and training data at a glance.

Sport Profiles
Your A300 is equipped with different sport profiles to help you follow your progress in different sports. You can add and remove sport profiles to A300 in Polar Flow web service.

Technical features

• Weight 48 g
• Thickness 12.7 mm
• Water resistant (30m)
• Display texts in 15 languages
• Updatable software
• Memory capacity up to 60 days (with daily activity tracking and 1 hour of daily training)
• Rechargeable battery
• Battery life up to 4 weeks
• Easy sync via Polar Flow app with Bluetooth Smart
• Data transfer to PC and Mac with a custom USB cable

Mobile App Compatibility

• iPad (3rd & 4th generation)
• iPad mini
• iPhone 4S
• iPhone 5
• iPhone 5C
• iPhone 5S
• iPod touch (5th generation)
• iPhone 6
• iPhone 6 Plus
• HTC One M8 with Android 4.3 or later  Motorola Moto G with Android 4.3 or later
• HTC One Max with Android 4.3 or later  Motorola Moto X with Android 4.3 or later
• HTC One Mini 2 with Android 4.3 or later Samsung Galaxy S3 with Android 4.3 or later
• Huawei Ascend P7 with Android 4.3 or later Samsung Galaxy S4 with Android 4.3 or later
• LG G Flex with Android 4.3 or later  Samsung Galaxy S5 with Android 4.3 or later
• LG G3 with Android 4.3 or later   Samsung S5 Mini with Android 4.3 or later
• HTC One Mini with Android 4.3 or later  Samsung Galaxy Note II with Android 4.3 or later
• HTC One with Android 4.3 or later  Samsung Galaxy Note III with Android 4.3 or later
• LG G2 with Android 4.3 or later   Sony Xperia Z1 with Android 4.3 or later
• LG Nexus 4 with Android 4.3 or later  Sony Xperia Z1 Compact with Android 4.3 or later
• LG Nexus 5 with Android 4.3 or later  Sony Xperia Z2 with Android 4.3 or later

In the box

• Polar A300 with heart rate Polar A300 without heart rate
• A300 training computer A300 training computer
• Polar H7 heart rate sensor USB extension cable
• USB extension cable Polar A300 Getting Started Guide
• Polar A300 Getting Started Guide
• A300 wristband

A small change can make a big difference. Customise your Polar A300 with an easy-to-change wristband to suit different moods and styles.