2.4g RF wireless 6x9Scissors keycaps architecture makes typing silent, stable and comfortable Slim and elegant design Multi-lingual available Super mini-size good for traveling and hand-held input device Power on/off switch to save power for traveling and moving Built-in Touch-Pad as a pointing input device with scroll up and down Wireless two way 2,4GHz RF technology Super mini with touch-pad, only 77 keys. Black color.