The Polar OH1 is an armband with an optical oscilloscope that combines flexibility, comfort and simplicity. It fits snugly on your arm and records your heart rate with Polar’s high-precision optical heart rate monitoring solution. With Polar OH1, nothing can stand in your way and your goals.
- Weight: Sensor: 5g armband: 12g
- Height: 9.5 mm
- Diameter: 29.85 mm
- Compatible with iOS devices, with Bluetooth 4.0 and Android 4.4 or later.
- Internal memory: 4 MB, up to 200 hours of training
- Battery: 45 mAh rechargeable lithium battery
- Waterproof up to 30 meters