ship from Japan This model includes a thin type wireless keyboard and a quiet mouse with blue LED specification. 2.4GHz wireless design for long radio wave range. It can be operated from a distance of up to 10 meters. A quiet mouse with a low clicking noise is included. The keyboard and mouse are both powered by an economical and eco-friendly lithium-ion battery that can be recharged repeatedly. It is a super thin form of 6mm at the thinnest part. The thickest part is only 14.4mm, making it easy to carry and store. It adopts the same pantograph key system as a notebook computer. The shape of the key is an isolation type to reduce nail catching. A large enter key is provided for convenient Japanese input. It is with the power supply ON/OFF switch that is convenient when carrying it. It is a small receiver that does not get in the way when connected to a USB port. It is a compact design with a width of 288mm without a numeric keypad.