The G.G.Martinsen Pinhole Spy Sunglasses comes with a card slot Support for Micro Sd Card 4GB, 8GB, 16GB and 32GB. I was able to put 32GB micro SD card without any problems.
The transferring was simple, I simply insert the cards into my computer and it appears on the folder. It uses a built in high-capacity Lithium-polymer battery, rechargeable with USB cable or power adapter.
In conclusion, I rate the G.G.Martinsen Pinhole Spy Sunglasses 4 out of 5 Stars. I do wish that I can figure out how to take more stable photos. It is a fun spy sunglasses because I would like to use it on vacation.
*** I received this complimentary product in exchange for my honest and unbiased review. I am not affiliated with the company and did not receive any compensation from them. ***
This G.G.Martinsen Pinhole Spy Sunglasses may be purchase on the website below: