【Purchase Date】 ・Used with a PC. 【Item Condition】 ・Operation was confirmed on a PC, and the sound, the two volume adjustment knobs, and the PC/CS button all worked normally. 【Contents】 ・Everything is included except for the micro USB cable. 【Packaging】 ・Will be wrapped in bubble wrap and carefully packed in a box for shipping. 【To Ensure a Smooth Transaction】 ・We strive for smooth transactions. ・If the delivery date is delayed due to the buyer's circumstances, please inform us after purchase. - Model Name: MIXAMP PRO - Compatible Devices: PlayStation 4/PC/MAC - Features: Dolby Audio support - Connection Type: USB connection - Features: Equipped with two volume adjustment knobs