This keyboard and mouse features a split and sloped keyboard with adjustable reverse tilt for ergonomic alignment. It offers dual wireless connectivity with 128-bit AES encryption, supporting both 2.4 GHz and Bluetooth 4.0 LE. A three-mode power-saving switch allows toggling between 2.4GHz, Bluetooth, and off to extend battery life. The price drops from $64.99 to $29.99. Shipping is free for prime members or on orders over $35.