The Fitbit One Wireless Activity and Sleep Tracker in black is a versatile fitness tracking device suitable for both men and women. With features such as wireless Bluetooth connectivity, altimeter, speedometer, pedometer, and heart rate monitor, this device allows users to track their activity levels and sleep patterns with ease. It also includes a compass, smartphone compatibility, and water resistance capabilities, making it ideal for various fitness activities like gym training, walking, swimming, yoga, and pilates.

Please ask for additional pictures, measurements, or information as it pertains to the condition before you buy. Please see pictures as they are apart of description. Due to the age of this device it may need a new battery. This is not included with the item.