{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:28:32+00:00","price":"149.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GWLH8Z7D?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB04fd690d1d03b2f0eda5e15aa3d9e1fe&aa_adgroupid=26e08abc392fbdbb8fe4fed6304b2a72_PBSEP_!!!affid!!!_118045_&aa_creativeid=4c3eGcXz_apsx7nv_bjHFOHWvILCptt_aawOkR7cHGK58M3F7I_c"}],"product":{"brand":"UK-soundcore","evidence_url":"https://mail.mainbuyer.com/evidence/products/soundcore-2026-new-anker-liberty-5-pro-anc-4-0-guinness-record-holder-b0gwlh8z7d/prices","gtin":null,"id":9479,"model_number":null,"name":"soundcore 2026 New Anker Liberty 5 Pro, ANC 4.0, Guinness Record Holder","product_url":"https://mail.mainbuyer.com/product/soundcore-2026-new-anker-liberty-5-pro-anc-4-0-guinness-record-holder-b0gwlh8z7d","urn":"MB-AWIN-GB-B0GWLH8Z7D"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"149.99","historical_low":"149.99","last_observed_at":"2026-09-17T12:28:32+00:00","low_30d":"149.99","low_90d":"149.99","median_price":"149.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:32+00:00"}}