ABS Material: Keyboard mouse wireless is made of sturdy ABS material, which is wear resistant and durable, and can be used for a long time. 78 Keys: For 78 keys, a layer of transparent gloss is applied on the font to increase wear resistance and can be used for a long time. Mute: responsive, durable and resistant to knocking, the keys are silent and silent, and use will not affect relatives and roomy. 2.4G Wireless Connection: 2.4G wireless connection, fast connection speed and stable transmission, let you deal with any situation. Laser Engraving: 78 key keyboard and mouse use laser engraving keycaps, durable and comfortable, with clear characters and simple operation.