This Fitbit Alta FB150 USB Bluetooth Wireless Sync Dongle comes with a box and instruction manual, making it easy to use and set up. It is perfect for gym and training activities, and is a must-have for fitness enthusiasts. The dongle is compatible with Fitbit devices and other fitness tech parts, making it a versatile accessory for your fitness goals. Whether you are into running, yoga, or any other fitness activity, this dongle is sure to help you track your progress. Get it now and take your fitness journey to the next level. Good Condition, "No Wrist Ban" See Pic.