Product Price Heart Rate Accuracy (%) Waterproof Rating (IPX) Battery Life (hours) Compatibility Chest Strap Material Monitoring Range (beats per minute (bpm))
Garmin HRM-Pro Plus (010-13118-00)
US
£86.63 5 ATM Up to 12 months Compatible with Garmin devices and apps via ANT+ and Bluetooth Silicone

Garmin HRM-Pro Plus is an ECG chest-strap heart rate monitor that sends real-time heart rate data via ANT+ and Bluetooth. It also supports HRV, and when paired with a compatible Garmin watch it provides running and swim interval features and indoor running pace and distance. It's designed for training indoors or out, including swimming thanks to its 5 ATM water resistance.

★ Ideal for

It suits brands known for high-quality chest straps because it uses an ECG-based chest strap design that Garmin describes as providing accurate real-time heart rate data and transmits it via ANT+ and Bluetooth.

Polar H10 Heart Rate Monitor (92061853)
US
£63.58 30m 400 hours Bluetooth and ANT+ 38% Polyamide, 29% Polyurethane, 20% Elastane, 13% Polyester, Silicone prints

Polar H10 is an electrical (ECG) chest strap heart rate monitor designed for accurate, consistent readings during workouts. It supports Bluetooth Low Energy and ANT+ connectivity, and it can also transmit via 5 kHz for compatibility with compatible gym and training equipment. The strap is water-resistant up to 30m and the battery is rated for up to 400 hours of use.

★ Ideal for

For heart-rate monitor chest straps, brands known for reliable electrical ECG sensing and long-lasting, washable textile straps-like Polar's H10 with its specified strap material and up to 400h battery-are a strong fit because it's built to maintain electrode contact during training.