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Polar RS300X Heart Rate M... has been added to your Cart
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Condition: Used: Very Good
Comment: Item is in original packaging, but packaging has damage. Small (less than 1/4" x 1/4") cosmetic imperfection on front of item. Small scratches on sides of item (up to 1/2 in.). Small scratches on screen (less than 1/4 in. x 1/4 in.).
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Polar RS300X Heart Rate Monitor

3.8 out of 5 stars 626 customer reviews
| 117 answered questions

Price: $85.55 & FREE Shipping. Details
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
Black
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  • Wristband Size : 8.5 “ . NOTE - Measurements taken from the LAST HOLE to the END OF RUBBER next to buckle (not from end to end).
  • Wristband Size : 8.5 “ . NOTE - Measurements taken from the LAST HOLE to the END OF RUBBER next to buckle (not from end to end).
  • Easy-to-use heart rate monitor guides you to train at the right intensity
  • Includes H1 heart rate sensor chest strap for continuous, accurate heart rate. Uses coded transmission to avoid cross-talk with other heart rate monitors nearby.
  • Built-in Fitness test helps you can track and monitor your fitness improvement
  • Displays accurate calories burned and records last 16 training sessions and your last 16 weeks of training
  • Compatible with S1 foot pod and G1 GPS Sensor for speed and distance (not included, sold separately)
19 new from $85.55 9 used from $48.50
View the User manual for the Heart Rate Monitor Watch
$85.55 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently bought together

  • Polar RS300X Heart Rate Monitor
  • +
  • Polar Flowlink
  • +
  • Polar FT7 Heart Rate Monitor
Total price: $205.49
Buy the selected items together

Special offers and product promotions

Color: Black
  • Save Big On Open-Box & Used Products: Buy "Polar RS300X Heart Rate Monitor, Black” from Amazon Open-Box & Used and save 71% off the $169.95 list price. Product is eligible for Amazon's 30-day returns policy and Prime or FREE Shipping. See all offers from Amazon Open-Box & Used.

From the manufacturer

Product description

Get all the essential heart rate features with this good-looking and simple-to-use training computer. RS300X is compatible with S1 foot pod and G1 GPS sensor, so you can combine heart rate with speed and distance.


Product details

  • Shipping Information: View shipping rates and policies
  • ASIN: B00SB078ME
  • Average Customer Review: 3.8 out of 5 stars  See all reviews (626 customer reviews)
  • Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

on August 28, 2009
Color: Black|Verified Purchase
2121 comments| 279 people found this helpful. Was this review helpful to you?YesNoReport abuse
on March 3, 2017
Color: Black|Verified Purchase
0Comment| 3 people found this helpful. Was this review helpful to you?YesNoReport abuse
on April 8, 2013
Color: Black|Verified Purchase
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on December 25, 2013
Color: Orange|Verified Purchase
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Color: Black|Verified Purchase
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on September 6, 2009
Color: Black|Verified Purchase
11 comment| 90 people found this helpful. Was this review helpful to you?YesNoReport abuse
on April 4, 2017
Color: Black|Verified Purchase
0Comment|Was this review helpful to you?YesNoReport abuse
on February 4, 2010
Color: Black
22 comments| 118 people found this helpful. Was this review helpful to you?YesNoReport abuse

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Polar RS300X Heart Rate Monitor, Black
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This item: Polar RS300X Heart Rate Monitor, Black