CooSpo HW706 Optical Heart Rate Monitor Armband

The CooSpo HW706 is an optical heart rate monitor armband designed to send exercise heart-rate data to compatible Bluetooth 4.0 or ANT+ devices and apps. Its armband format avoids a chest strap, while the listing names a rechargeable battery and includes a replacement band and magnetic charger.

At a glance

Sends continuous heart-rate data to supported training apps and devices.
Bluetooth 4.0 and ANT+ are listed for compatibility with a range of sports watches, bike computers and fitness equipment.
The manufacturer states the monitor is rechargeable and rated for 25+ hours per charge.
The listing says it is suitable for rain and sweat but not for swimming.

Price

£30.33Save 24%

Reference price: ~~£39.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

Dual Bluetooth and ANT+ support provides connection options for compatible phones, fitness equipment and sports devices.
An armband design offers an alternative to chest-strap heart-rate monitors.
A magnetic charger and replacement band are listed among the package contents.

Technical specifications

13 specifications

Identity
Brand	CooSpo
Model	HW706

Display and video
Screen size	0.96 Inches

Power and battery
Battery life listed	600 Hours
Battery type	Lithium-Ion Polymer

Dimensions and installation
Dimensions listed	10L x 10W x 10H millimetres
Weight listed	17 Grams
Band size listed	1.15ft (35cm)

Materials and protection
Material listed	Silicone
Colour	Black

Sensing and connectivity
Sensor type	Optical
Wireless connectivity	Bluetooth4.0 & ANT+
Water resistance claim	IP67

What to know before buying

Listing details to confirm

The listed 600-hour battery life conflicts with the feature claim of 25+ hours per charge. Dimensions and screen size are also given, but the listing does not explain what the 0.96-inch screen refers to on this armband. Check these details before buying. The stated IP67 protection is not a swimming-use claim, which the listing explicitly excludes.

What’s in the box

Included

Heart rate monitor
Power adapter
Replacement band
User manual

Who is it for?

A good fit for

Runners, cyclists and fitness users who want optical heart-rate tracking via compatible Bluetooth or ANT+ devices.
People who prefer an armband to a chest strap and use supported training apps or fitness equipment.

Less suited to

Swimmers, as the listing says not to use it for swimming.
Buyers who need a confirmed battery-life figure or a clearly described on-device display.

CooSpo HW706 Optical Heart Rate Monitor Armband · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 2,075 ratings

5 stars63%63%
4 stars17%17%
3 stars8%8%
2 stars4%4%
1 star8%8%

Customer feedback reports good connections with devices including Peloton bikes and Concept2 PM5, along with perceived accuracy, comfort, ease of use and long battery life. These reports suit the HW706's stated Bluetooth and ANT+ links and armband format, but they do not resolve the listing's conflicting battery-life figures. The overall rating distribution is mostly positive but includes a smaller one- and two-star share, so experiences are not uniformly favourable.

Positive themes

Customers report useful connectivity with various devices and apps.
Feedback describes the armband as comfortable and easy to use, with some preferring it to chest straps.
Customers mention perceived accuracy and long battery life between charges.

Frequently asked questions

Which connections does the CooSpo HW706 support?

The listing specifies Bluetooth 4.0 and ANT+. Compatibility depends on the receiving device or app supporting the relevant connection.

Can the HW706 be used for swimming?

No. Although the listing claims IP67 protection, it specifically says not to use the monitor for swimming.

How long does the battery last?

The details list 600 hours, while a feature claim says 25+ hours per charge. These figures conflict, so confirm the applicable battery-life claim before purchase.

What is listed in the box?

The manufacturer contents list names one heart rate monitor, one magnetic charger, one replacement band and one user manual.