ATMEGA32U4 Mini Development Expansion Board Module for Arduino Leonardo R3

Features:
Brand new and high quality
Made of high quality material, solid, durable and good performance.
Badusb, USB, microSD virtual keyboard, TF memory Leonardo.
Initialization, SD, card ... initialization, failure, thing, to, check:Yes, a, card, pluginIs, a, card, inserted?Is, your, wiring, correct?Did you change the chipSelect pin to match your shield or module?
Initializing, SD, card... Wiring, is, correct, and, a, card, is, present.
Card Type: SDHCThe volume type is FAT32Volume size (bytes): 3519021056Volume Size (KB): 3436544Volume size (Mbytes): 3356File, find, on, the, card (name, date and size, in, bytes)

Specifications:
Material: Circuit Board
Size: 3.9x2.1cm/1.54 x 0.83in
Color: Black
Quantity: 1PC

Note:
No retail package.
Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes:
1 x Virtual Keyboard Module
1 x Pin Header