{"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":"2026-09-17T12:27:16+00:00","price":"83.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DCBDLYFN?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=04fd690d1d03b2f0eda5e15aa3d9e1fe&aa_adgroupid=6fdc9ef993596ffd900d52518106e91d_PBSEP_!!!affid!!!_118045_&aa_creativeid=5049wReQ8il1nJ52zbHtQB_abPOp4io4hYMyM5Z1AAOJc0wk_c"}],"product":{"brand":"UK-soundcore","evidence_url":"https://mainbuyer.com/evidence/products/soundcore-anker-liberty-4-pro-adaptive-noise-cancelling-wireless-earbuds-b0dcbdlyfn/prices","gtin":null,"id":7219,"model_number":null,"name":"soundcore Anker Liberty 4 Pro, Adaptive Noise Cancelling Wireless Earbuds","product_url":"https://mainbuyer.com/product/soundcore-anker-liberty-4-pro-adaptive-noise-cancelling-wireless-earbuds-b0dcbdlyfn","urn":"MB-AWIN-GB-B0DCBDLYFN"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"83.99","historical_low":"83.99","last_observed_at":"2026-09-17T12:27:16+00:00","low_30d":"83.99","low_90d":"83.99","median_price":"83.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:27:16+00:00"}}