Cat Eye Arm Heart Rate Monitor OHR-31 - black

The Heart Rate Sensor OHR-31 is placed comfortably on your arm and measures your pulse. Features of Cat Eye Arm Heart Rate Monitor OHR-31: Optical heart rate sensor compatible with Bluetooth® and ANT+ Heart rate range 40-220 bpm (±5 bpm) 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. Waterproof construct IPX7 Compatible with Padrone Smart+ and Padrone Digital