This Omron HBF-306C Fat Loss Monitor BMI Body Fat Percent Analyzer is a great tool for those who want to keep track of their fitness progress. It is handheld and can be used for Gym & Training, Crossfit, and Fitness activities. The monitor has been tested and is in great working condition. The battery life lasts for more than 7 days and is powered by batteries. The color is black and the model is HBF-306C. It is a used item that has only been used once.