Here is a comparative table between MJX X400W from DBPOWER and One 4K from Upair. MJX X400W reaches a maximum speed lower than that of One 4K. MJX X400W has a maximum autonomy time lower than that of One 4K. One 4K is priced higher than MJX X400W. The MJX X400W battery has a capacity lower than that of One 4K. One 4K has a camera resolution of 16 MP and MJX X400W instead has a resolution of 720p. The volume of the second product (One 4K) is greater than that of the first. MJX X400W is certainly lighter than One 4K. Let's go into detail with the technical data between MJX X400W and One 4K. Published data is always indicative and may contain errors or be subject to change. Always check official sources.