Experience precise heart rate tracking during your workouts with the COROS Heart Rate Monitor armband, specially designed for sports and fitness activities. Featuring a large, soft, and breathable fabric band that fits arm sizes from 9.4 to 16.9 inches (24 to 43 cm), it offers superior comfort compared to traditional chest straps. The band’s elasticated design with a textured surface ensures a secure and customizable fit, while the sensor can be easily removed for quick cleaning. Equipped with an advanced sensor encased in a durable, scratch-resistant body, it delivers accurate, reliable heart rate data to keep you focused and distraction-free. Enjoy up to 38 hours of continuous use or 80 days on standby, with a convenient 2-hour recharge time via magnetic cable. The armband features automatic wear detection for seamless power management and can connect simultaneously to three devices, including watches, phones, and fitness equipment. Elevate your training with COROS’s innovative heart rate monitor for a smarter, more connected workout experience.
COROS Heart Rate Monitor, Comfort, Easy to wear, Auto-wear Detection, Advanced Sensor, Precise Data, Bluetooth, 38 Hours Battery Life, Connects up to 3 Devices at Once, for Run and Bike
Discover reliability and comfort with the COROS Heart Rate Monitor, engineered for precise data tracking and ease of wear. Featuring advanced sensors and Bluetooth connectivity, it offers up to 38 hours of battery life and supports simultaneous connections with three devices—ideal for runners and cyclists alike.
The COROS Heart Rate Monitor combines sleek design with cutting-edge technology, delivering precise heart rate tracking in real-time. Its comfortable fit and durable build make it a trusted companion during every workout.
Experience unparalleled precision with COROS’s advanced sensor technology that delivers accurate heart rate measurements. Designed for athletes who demand high performance and reliable data during runs and bike rides.
This monitor features auto-wear detection and an ergonomic design that ensures maximum comfort during prolonged use. It is perfect for tracking your heart rate and performance without interruption.
Connectivity is seamless with Bluetooth capability, allowing connection to multiple devices for on-the-go monitoring. The long-lasting battery life ensures uninterrupted tracking for up to 38 hours.
The COROS Heart Rate Monitor is built to endure intense activity, featuring robust materials and smart design. Its flexible fit adapts to your body for personalized comfort and accurate readings.
Features
COROS Heart Rate Monitor
COROS NOMAD
COROS DURA Bike Computer
COROS PACE 3 Sport Watch
COROS PACE Pro GPS WATCH
COROS APEX 2 Pro Outdoor
COROS VERTIX 2S
Customer Reviews
4.4 out of 5 stars (1,188)
4.8 out of 5 stars (5)
4.5 out of 5 stars (206)
4.5 out of 5 stars (2,312)
4.6 out of 5 stars (363)
4.5 out of 5 stars (166)
4.1 out of 5 stars (69)
Dimensions
42.5 x 28.4 x 9.1mm
47.8 x 47.8 x 14.8mm
99.5 x 60.8 x 15.7mm
41.9 x 41.9 x 11.7mm
46 x 46 x 12.25mm
46.1 x 46.5 x 14mm
50.3 x 50.3 x 16mm
Weight
19g
49g-61g
102g
30-39g
37g-49g
53-66g
70-87g
Display Size & Resolution
No Display
1.3 inch, 260 x 260
2.7 Inch, 400 x 240
1.2 Inch, 240 x 240
1.3 Inch, 416 x 416
1.3 Inch, 260 x 260
1.4 Inch, 280 x 280
Display Type
No Display
Touch Screen Always-On LCD
Touch Screen Always-On LCD
Touch Screen Always-On LCD
Touch Screen Always-On LCD
Touch Screen Always-On LCD
Touch Screen Always-On LCD
Screen Material
Plastic, Polyester fiber
Hardened Mineral Glass
Durable Composite Glass
Mineral Glass
Mineral Glass
Sapphire Glass
Sapphire Glass
Connectivity
Bluetooth
Bluetooth
Bluetooth
Bluetooth
Bluetooth
Bluetooth
—
Water Resistance
3 ATM
5 ATM
IP67
5 ATM
5 ATM
5 ATM
10 ATM
Battery - Daily Use/Full GPS
80 days / 38 hours
22 Days / 50 Hours
120 Hours / 70 Hours
17 Days / 38 Hours
20 Days / 38 Hours
24 Days / 66 Hours
40 Days / 118 Hours
Route Navigation Type
Not Included
Landscape (with street names)
Landscape
Breadcrumb
Landscape and Topo
Landscape and Topo
Landscape and Topo
GNSS Chipset
×
All-Satellite Dual-Frequency
All-Satellite Dual-Frequency
All-Satellite Dual-Frequency
All-Satellite Dual-Frequency
All-Satellite Dual-Frequency
All-Satellite Dual-Frequency
HRV Index
✘
✔
✘
✔
✔
✔
✔
SpO2
✔
✔
✔
✔
✔
✔
✔
: B0CH8LJL3Y
: 500 Items
Hurry! only 500 items left in stock.
Specific References
EAN13
810005782548
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Ex: Shipping and return policies, size guides, and other common questions.
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Check for any tears, dents, holes or scratches
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Size
S
M
L
XL
Men
7-10
10-13
13-15
15-17
Women
7-9
10-12
13-14
15-16
Example Shown : SIZE XL, Hem to Hem 84cm OR 33 ,SIZE L, Hem to Hem 84cm OR 33 ,SIZE M, Hem to Hem 84cm OR 33 ,SIZE S, Hem to Hem 84cm OR 33
Rated 5.00 on the scale 1 - 5 based on 3 customer reviews
Simon M.
09/16/2025
A Comfortable Upgrade from Chest Straps
Right out of the box, the COROS Heart Rate Monitor armband impressed me with its incredibly soft and breathable fabric — no scratchy seams or stiff materials to irritate the skin during long workouts. The snug, elasticated band stayed put through everything from HIIT to outdoor cycling, making it far more comfortable than traditional chest straps I’ve used. The accurate, real-time heart rate readings synced seamlessly to my watch and training app, allowing me to stay focused on my performance without constant band adjustments or distractions.
Alex T.
09/16/2025
Skeptical at First, Now Won’t Train Without It!
Honestly, I wasn’t sure the COROS armband could really outperform my old chest strap—I expected another overhyped gimmick. But the comfort blew me away right away, and syncing it to my phone and watch couldn’t have been easier. The heart rate data has been accurate and consistent through even my longest runs, and I love how I can just throw the band in the wash. Now, I can’t imagine working out without it!
Jenna W.
09/16/2025
Ditch the Chest Strap—Ultimate Comfort and Accuracy!
The COROS Heart Rate Monitor armband is a major step up from traditional chest straps—super comfortable, easy to clean, and impressively accurate. I’ve worn it through tough interval sessions and barely noticed it was there, thanks to the breathable, soft fabric. Its reliable data gave me the confidence to push harder, and the seamless multi-device connectivity is a real bonus for tracking my stats across different platforms.
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