This item is provided by Crutchfield.com and includes free phone technical support for the life of the product. Details on how to take advantage of this service will be included with your package. Should you have any issues locating information on how to contact Crutchfield Technical Support, please contact this website's Customer Service department. Get your flight batteries ready to go This two-way charging hub for the DJI Neo charges your flight batteries for extra airtime. Up to three batteries can be charged in under an hour to help make sure you're locked and loaded for your next flying session. What's in the Box: 1. 3-Slot battery charging hub for DJI Neo 2. User guide