We can find out tons of card readers via Google Shopping, but if you want a spy camera integrated USB card reader, the following one may be suitable for you.
This is a handy USB card reader that measures 7.3 x 2.5 x 1.1cm. The entire card reader looks like a standard USB flash drive. Opening the cap, you can see the USB connector and hidden card slot compatible with TF/ micro SDHC card. Unlike common card reader, it features a built-in spy camera. The lens and microphone is placed on the end of the card reader. Once pushing the On/ Off switch, the spy camera will record color video with 720 x 480 pixels resolution at 30 fps or take photo with 2048 x 1536 pixels resolution. Apart from that, the LED indicator shows you the status of the spy camera.
The USB card reader with spy camera is priced at $29 USD. If you’re interested, jump to Brando for full descriptions. Additionally, if you need more options, you might like to check the card reader with USB drive, Elecom card reader with USB hub and more via “card reader” tag.