Das Keyboard 6 Professional mechanical keyboard
[{'entity': 'BRAND', 'value': 'Das Keyboard', 'span': [0, 12]}, {'entity': 'PRODUCT_NAME', 'value': '6 Professional', 'span': [13, 27]}, {'entity': 'ATTRIBUTE', 'value': 'mechanical', 'span': [28, 38]}, {'entity': 'CORE_PRODUCT_TYPE', 'value': 'keyboard', 'span': [39, 47]}]
Das Keyboard 6 Professional mechanical keyboard