Polar OH1+

Optical heart rate monitor armband that combines versatility, comfort and simplicity. It fits comfortably around your arm and tracks heart rate with Polar’s high-quality optical heart rate solution. With Polar OH1, nothing stands between you and your goals. Weight: Sensor 5 g, armband 12 g, Height: 9,5 mm, Diameter: 29,85 mm, Armband: Size M-XXL, machine-washable. Compatibility: iOS mobile devices: iPhone 4S and later; Android mobile devices with Bluetooth 4.0 capability and Android 4.4 or later. Memory: 4 MB, up to 200 hours of training time. Battery: Rechargeable 45 mAh lithium polymer battery, Water resistance: 30m. Colour: Black