Cateye OHR-31 Optical Heart Rate Sensor

Introducing the OHR-31 Optical Heart Rate Sensor, the perfect balance of performance and convenience. This compact wrist watch style device offers dual-band Bluetooth 5.0/ANT+ capability for easy connection to cycling computers and smartphone apps, plus USB rechargeable battery with up to 24-hour run-time. IPX7 rated to withstand the elements, the OHR-31 also features an LED low battery indicator and auto shutdown mode for maximised battery life. Multiple armband sizes included. Enjoy effortless tracking of your heart rate without the bulk of a chest strap.

Features

• Compact wrist watch style Optical LED based heart rate sensor
• Dual band Bluetooth® 5.0 / ANT+ seamlessly connects to cycling computers and smartphone apps, including CatEye Cycling
• USB rechargeable with up to 24 hours of run-time
• IPX7 rated to withstand the elements
• LED low battery indicator and auto shutdown mode maximises the battery life between charges
• Optical heart rate sensor compatible with Bluetooth® and ANT+
• Easy pairing via smartphone app (Bluetooth®)
• Low battery indicator (less than 20%)
• Red LED blinks three times every 5 minutes until battery reaches critical level
• Automatically turns off after 15 minutes of no heart rate measurement
• Elastic style armband adapts for proper fit

Specifications

• Waterproof Construct: IPX7
• Heart Rate Range: 40-220bpm (±5bpm)