sennheiser momentum 4 wireless over-ear headphones
[{'entity': 'BRAND', 'value': 'sennheiser', 'span': [0, 10]}, {'entity': 'PRODUCT_NAME', 'value': 'momentum 4', 'span': [11, 21]}, {'entity': 'ATTRIBUTE', 'value': 'wireless', 'span': [22, 30]}, {'entity': 'SHAPE', 'value': 'over-ear', 'span': [31, 39]}, {'entity': 'CORE_PRODUCT_TYPE', 'value': 'headphones', 'span': [40, 50]}]
sennheiser momentum 4 wireless over-ear headphones