For Native Union's Moshi Moshi, it didn't take that long before China manufacturers copied their design. This handset was already here 4 to 5 years ago but the company that imported it now made it famous, thus, the proliferation of imitation handsets.
Here's a guide on how to spot the imitation units of Native Union's Pop Phone:
If you have more questions on verifying the real and imitation one with regards to Native Union products, leave a message at the comment section below and I'll do my best to reach them and answer all your inquiries. Thanks!