{"niche":"哪一款最安静的电动精油扩香器可用？","description":"What is the quietest electric essential oil diffuser available?","products":[{"brand":"Scentreat","model":"Rubber Wood & Ceramic Ultrasonic Diffuser (Scentreat)","price_gbp":67.92,"origin_country":null,"specs":{"auto_off":"auto shut-off when water runs low","capacity":"180","humidifier":"cool ultrasonic mist"},"confidence_score":null,"sources":[{"label":"Scentreat","url":"https://scentreat.com/products/rubber-wood-ceramic-ultrasonic-essential-oil-diffuser","currency":"USD","source_country":"US","price":89.95,"price_gbp":67.92,"scraped_at":"2026-06-23T17:34:38.245239"},{"label":"Scentreat","url":"https://scentreat.com/products/rubber-wood-ceramic-ultrasonic-essential-oil-diffuser","currency":"USD","source_country":"US","price":89.95,"price_gbp":67.92,"scraped_at":"2026-06-23T17:34:41.070165"}],"summary":"This is a whisper-quiet ultrasonic essential oil diffuser with a natural rubber wood base and ceramic cover. It runs with cool mist (no heat, smoke, or flame) and includes an auto shut-off when the water runs low. It's aimed at bedrooms, desks, and small living spaces and is designed for sleep routines.","ideal_for":"It's a sub-30 dB ultrasonic diffuser (no fans or motors) with an auto shut-off when the water runs low, making it suitable for quiet, overnight use on a nightstand."}]}