Thank you for viewing. This is the DDJ-400 (Silver), a standard DJ controller compatible with rekordbox. It can be used simply by connecting it to a computer via USB. I am very sorry, but I cannot offer a discount. 【Condition】 As shown in the photos, the main unit has some scratches and minor marks from use. There are no operational issues. The vertical fader on the right deck is slightly off-level, but this does not affect use. A carrying case is also included, but it has small scratches on the outside. 【Accessories】 ・UGREEN USB connection cable ※No outer box or instruction manual. 【Shipping】 The case will be wrapped in vinyl for shipping. 【Specifications】 Brand: Pioneer DJ Model Name: DDJ-400 Connection: USB Color: Silver Thank you for your consideration.