The Suunto Bike Sensor with Bluetooth technology is a must-have for any cycling enthusiast. This bike computer provides accurate speedometer readings and uses an accelerometer sensor to ensure precise measurements. The black color adds a sleek touch to your bike's appearance. With Bluetooth connectivity, this bike sensor can easily connect to your smartphone or other compatible devices, allowing you to track and analyze your cycling performance. The Suunto Bike Sensor is designed specifically for cycling, making it a reliable and essential device for any cyclist.