1. PC Shell & Bottom Matte Mat -- Anti-slip, lighter, easy to carry, cost-effective. 2. 3.5 inch IPS Screen--320x240 resolution with a retro nostalgia feeling. Full lamination LCD Screen improve the display effect. 3. One-piece Upgrade Joystick -- Mosaic structure is convenience to put it in pocket, unbreakable and more comfortable game hand feel. 4.Multifunctional -- Support opendingux, HDMfunctionI, Lossless music, all format audio, video, e-book, and 3.5mm stereo earphones. 5. Elaborately craft -- Using a custom copper nuts to fix the machine.