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The OHR-31 is an optical heart rate sensor designed for accurate, real-time monitoring compatible with Bluetooth® and ANT+ devices. It delivers a heart rate range of 40-220 bpm (±5 bpm), making it suitable for a wide range of users and activities.
Features
Easy pairing via smartphone app (Bluetooth®)
Low battery indicator activates below 20% battery level
Red LED blinks every 5 minutes when battery is critically low
Automatically powers off after 15 minutes without heart rate detection
Waterproof construction with IPX7 rating for durability in all conditions
SPECIFICATIONS
Heart rate range: 40-220 bpm (±5 bpm)
Connectivity: Bluetooth®, ANT+
Battery indicator: Low battery warning and LED alerts
Power saving: Auto shut-off after 15 minutes of inactivity
Water resistance: IPX7
Please be aware that images and descriptions are usually supplied by the brand / manufacturer and are in no way affiliated with Cycle Centre Congleton Limited T/A CycleStore. We only resell items from third parties and do not design or manufacture any products. Product information is compiled automatically from supplier data and occasional errors can occur — if a detail such as size, specification or price looks incorrect, please contact us to confirm before ordering.
| Order Value | Service | Estimated Delivery | Cost |
|---|---|---|---|
| Under £39.99 | Royal Mail Tracked | 2–3 working days from dispatch | £4.99 |
| £39.99 and over | Royal Mail Tracked | 2–3 working days from dispatch | FREE |
| Any order — Express | Royal Mail Tracked 24hr / Parcel Force 24hr | Next working day from dispatch | £6.99 |
| Bikes | Parcel Force 48hr Signed For | 2 working days from dispatch | FREE |
Delivery times shown are from dispatch, not from the point of ordering. As we source products from a range of suppliers, lead times can vary — please check the product page, your cart, or your order confirmation for the most accurate estimate for this item.
Some remote UK postcodes (Highlands, Islands) may carry a courier surcharge on larger orders — we will always contact you before applying any additional charge.
Questions? Email sales@cyclestore.co.uk with your order number.
