This is the "AK HC2 Ayaka Ohashi Edition," a USB DAC collaboration model between the Astell&Kern brand and voice actress/artist Ayaka Ohashi. It's a 10th-anniversary edition featuring a pink design. It's equipped with a dual configuration of Cirrus Logic's Master HIFI DAC "CS43198" and specializes in 4.4mm 5-pole balanced output, achieving low noise, low distortion, and high output while also realizing high LR separation. Please note that the newly recorded bonus track is not included. - Model Name: AK HC2 - Type: USB DAC/Amplifier - Color: Pink - Brand Name: Astell&Kern - Included Accessories: Lightning conversion plug, original box, instruction manual Thank you for viewing.