Introducing the RBX Bluetooth 4.0 Activity Tracker, a must-have for fitness enthusiasts and runners alike! This top-of-the-line activity tracker boasts a range of features including Bluetooth connectivity, English language, and a model number of RF-D30001B. It's perfect for keeping track of your fitness goals and activities, and is still sealed in its original packaging for your peace of mind. With this activity tracker, you can easily monitor your running and jogging progress without having to worry about losing track of your stats. It's designed for ease of use and is a great addition to any fitness enthusiast's collection. Don't miss out on this amazing opportunity to take your fitness game to the next level with the RBX Bluetooth 4.0 Activity Tracker!