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 Heart Rate Monitor
US
£96.10 5 ATM Up to 1 yr ANT+ and Bluetooth 4.1; compatible with Garmin watches, fitness equipment, Tacx Training and third-party apps

The HRM‑Pro Plus is a chest‑strap heart rate monitor that transmits via ANT+ and Bluetooth and captures advanced running dynamics, swim and workout memory, and daily activity metrics. It offers a user‑replaceable CR2032 battery with up to one year of life and a 5 ATM water rating, making it suitable for running, cycling and swimming.

★ Ideal for

Ideal for fitness enthusiasts who want accurate chest‑strap data and advanced running dynamics with long battery life (up to 1 yr) and swim compatibility (5 ATM).

Mio Mio LINK Heart Rate Monitor
US
£43.95 30m/3 ATM 6-8 hours Bluetooth Smart 4.0 and ANT+ Soft silicone
Polar H10 Heart Rate Sensor
US
£78.18 detects HR within 2 ms accuracy at 92.9% for running, 99.3% for cycling, 95.3% for weight training, 95.6% combined 30 m 400 hours Bluetooth Low Energy, ANT+, 5 kHz; iPhone 5 or later iOS 11+; Android with Bluetooth 4.0 and Android 5.0+ 38% Polyamide, 29% Polyurethane, 20% Elastane, 13% Polyester, silicone prints

The Polar H10 is a chest-strap heart rate sensor with dual-Bluetooth and ANT+ connectivity, internal memory for one training session, a premium Polar Pro textile strap with silicone grip, and swim-capable 5 kHz transmission. It focuses on high accuracy and broad compatibility for pairing with watches, apps, and gym equipment. Suited for athletes who need reliable, device-agnostic HR data.

★ Ideal for

Ideal for fitness enthusiasts wanting a top-rated chest strap because it offers clinically tested high accuracy, dual-Bluetooth and ANT+ compatibility, and 400-hour battery life.

Scosche RHYTHM+ 2.0 Heart Rate Monitor Armband
US
£33.52 Valencell PerformTek optical sensor; hyper-accurate (manufacturer claim) IP68 24 hours Bluetooth and ANT+; works with 200+ fitness apps; 100ft wireless range 100 ft

The Scosche RHYTHM+ 2.0 is an armband optical heart-rate monitor with Valencell PerformTek sensors, dual ANT+ and Bluetooth connectivity, IP68 waterproofing, and a 24-hour rechargeable battery. It fits on the upper forearm, biceps, or triceps with soft, washable adjustable bands and is designed for accurate continuous tracking across many fitness apps and devices. It suits runners, cyclists, and gym users who prefer an armband over a chest strap.

★ Ideal for

Suitable because it offers Valencell PerformTek optical accuracy, dual ANT+/Bluetooth compatibility, IP68 waterproofing, and 24-hour battery life, making it a top choice for fitness enthusiasts seeking reliable arm-based HR monitoring.