Used for about a month, so there's a slight feeling of use, and the stick reaction of the stick exchanged with the first unit is not working well. There are no other observed defects, but please purchase if you understand that this is a junk item. The code and USB are unused (because I have another one). Purchased 2-3 years ago. I have two and used them as donor parts. I am selling them because I am moving. ↓ Official quote below ↓ "C40" is a custom controller that can be connected wirelessly and wired, and is compatible with both PS4®/PC. The "TR" in the product name stands for Tournament Ready, and it emphasizes design, as well as convenience and functionality, assuming it will be used in professional tournaments. Furthermore, the "C40" has high customizability, allowing not only button assignments, but also customization of the analog stick and D-pad placement, and the length of the analog stick can also be selected, supporting various play styles. In addition, the two rear buttons on the back of the main unit expand the expandability of gameplay. Using software available on PC, detailed settings such as sensitivity settings for analog sticks and trigger buttons, and equalizer settings are also possible. A dedicated carrying case is also included, allowing you to compactly carry the main unit, cables, etc. ■ Changing the placement of the analog stick and D-pad By removing the cover with the included tool, you can remove and replace the analog stick and D-pad freely. You can pursue your own operability to your heart's content, such as choosing a long analog stick with a concave top for delicate operations such as driving and aiming, or replacing the D-pad in the upper left with the one below. ■ "Rear buttons" on the back of the main unit The two rear buttons on the back of the main unit can be assigned to your favorite buttons and functions using the "program button" in the center of the back, or the ASTRO C40 TR configuration software*. This is convenient when you want to quickly change items or switch viewpoints in the game. PC Windows PS4 Controller Astro ASTRO Parts