We say:

Massive sounds, compact design. Kross 2 88 Key Synthesizer Workstation is the big brother of its 61 key version. The Korg Kross is filled with a giant library of sounds that leave previous generation models behind and is ideal for a broad range of musical styles. Let the Korg Kross provide you with inspiration with its own built-in arpeggiator and step sequencer to get your creative ideas flowing. The Korg Kross can be plugged straight into your PC or Mac via USB and runs just like a software synthesizer plugin or can be used on the go due to its battery-powered capability making it perfect for both studio use and live performances.

Korg says:

Discover the next level of creativity with the Kross 2. With over 1,000 built-in sounds, advanced sampling and performance functions, powerful effects, and user-friendly layout, it's designed for seamless music production. It's ultra-lightweight and can be battery powered, making it perfect for on-the-go compositions and performances.