The Introduction of R4   by Valves

R4 is a host for NintendoR DS series developed Slot-1 flash card with the same size as the thickness of the original cassette, with burning games, homebrew and multimedia functions, is indispensable for DS users peripherals.

The products include: R4 (MicroSD) Adapter, USB2.0 Microsd Card reader, R4 protection box, use the CD. Here the performance of R4 and it