Rockbros C3 ANT+ / Bluetooth 2in1 Speed or Cadence Sensor - Black The Rockbros C3 sensor is a compact device that allows you to monitor key data while cycling. The 2-in-1 model allows you to measure your speed or cadence, helping you better control your training pace and analyze your rides. ANT+ and Bluetooth connectivity work with multiple meters and training apps. The robust ABS housing and IP67 rating support reliable operation in a variety of weather conditions. Simple installation and long operating time make the sensor a practical addition to the bike's equipment. ~ Specification: Brand: Rockbros Model: Rockbros C3 Measurement Type: Speed, Cadence Connectivity: ANT+, Bluetooth Power Supply: CR2032 220mAh Battery Operating Time: Approx. 600 h (Cadence) / Approx. 400 h (Speed) Standby Time: Up to 300 Days Waterproof: IP67 Compatibility: Garmin, Wahoo, Zwift, Tacx, Bryton and ANT+ or Bluetooth Enabled Devices Material: ABS Color: Black ~ Key Benefits of the Rockbros C3 Sensor: Measure speed or cadence in one device: 2-in-1 mode allows you to adjust the sensor's performance to suit your riding style and training needs. Wide compatibility with meters and apps: ANT+ and Bluetooth support allows you to work with many popular training platforms. Long battery life: up to 600 hours of operation and up to 300 days in standby mode. Resistant to rain and harsher conditions: IP67 rated supports reliable operation when riding in a variety of weather conditions. Simple Bike Mounting: Quick installation on the hub or crank allows you to easily prepare your bike for data logging. ~ Speed or cadence measurement in a single sensor The Rockbros C3 model works in two modes - speed or cadence measurement. This allows you to adjust its operation to the type of training and get the data you need while riding. ANT+ and Bluetooth connectivity The sensor supports two popular communication standards, making it easy to connect to bike computers, sports watches, and training apps. Long Runtime & Standby Mode The energy-efficient design allows for long use on a single CR2032 battery. Depending on the operating mode, the device can work for up to several hundred hours. Robust ABS housing The robust housing protects the sensor electronics from mechanical damage, and the IP67 protection class helps protect the device from water and dust. Simple mounting on the bike The sensor can be mounted on the wheel hub or crank arm. Flexible fasteners make it easy to install without the use of specialized tools.