USB happy dog with card reader Features: It fit to (microSD/TF ) data card, with same function as USB storage for date save and transfer Data transfer function can be compliable to variety portable device such as mobile phone, MP3/4 player, GPS, and more via retractable data cable Card reader function supports microSD/TF card With the retractable cable included in the package to charge your mobile phone via PC USB port The left front dog up or down to control the dog swing it's hunker as just for fun or do data transfer or charger Material: ABS Size: 6 x 58 x 25 x 55mm Weight: 14g Available color: black, black gray, gray, brown, yellow, or other customized special color