a vibrant, abstract illustration depicting a hand holding a portable, wireless hairdryer against a pastel background with colorful dots - 無線裝置 幅插畫檔、美工圖案、卡通及圖標
wireless telegraphy, telegraphing by means of kites, 1887, germany, historic, digitally restored reproduction of an original 19th-century document, exact original date unknown - 無線裝置 幅插畫檔、美工圖案、卡通及圖標
