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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
If you do not see your country listed below please email sales@cyclestore.co.uk with details of products you wish to order and we will reply shortly with shipping costs and options.
| Order Value | Delivery Service | Delivery Time (From dispatch, working days) | Cost |
| Under £25.00 | Royal Mail Tracked |
2 working days (from the time of despatch, see below)
|
£3.49 |
| £25.00 to £59.99 | Royal Mail Tracked 48hr |
2 working days (from the time of despatch, see below)
|
FREE
|
|
£60.00 - £199.99
|
Royal Mail Tracked 24hr or parcel force 24hr (weight Dependant) |
Next working Day (from the time of despatch, see below)
|
FREE |
| £200+ | Royal Mail Special Delivery or parcel force 24hr (weight Dependant) Signed for | Next working Day (from the time of despatch, see below) | FREE |
| Bikes |
Parcel Force 48 Hour Signed For
|
48 Hour (2working days) (from the time of despatch, see below)
|
FREE
|

