※ Controller not included. ※ Back Button Attachment only. [Refurbished] DUALSHOCK4 Back Button Attachment PlayStation 4 Purchased a few years ago and used several times. Stored at home. Works without any problems. No outer box. Original price was around 8000 yen. ↓ Amazon's description: Description Make your play style more free. By attaching it to the back of your wireless controller (DUALSHOCK 4), you can add two buttons and assign a total of 16 different operations, such as △○×□ buttons and directional keys, to each button without compromising the existing functions and comfort of the DUALSHOCK 4. Also, it can be used immediately when connected to the DUALSHOCK 4, and the product itself does not need to be charged. Function Details ■ Button Assignment Each of the two added buttons can be assigned a total of 16 different operations, and up to 3 profiles (button assignments) can be saved. ■ Easy Switching You can change the settings directly on the spot with the OLED screen operation, so you can easily customize it even during gameplay. ■ Easy Installation Without compromising the existing functions and comfort of the DUALSHOCK 4, it increases the freedom of operation in all games and can be used in various scenes such as competitive play. Wired Headset Connection Possible This product is equipped with a stereo headphone/microphone jack, and you can also use a headset that connects with a 3.5mm mini plug.