{"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":"2026-09-17T12:30:31+00:00","price":"249.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0CC2HWC7N?maas=maas_adg_api_583671915767986300_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB0fe2d6be49a2c753038ff135e9910b4c&aa_adgroupid=c1bfdbc87763a7b019abc8487c9030da_PBSEP_!!!affid!!!_118045_&aa_creativeid=6904dRt8D5VOfc3v79_aePOMC2IkA5yHmQgJj_aKznliOZD8c_c"}],"product":{"brand":"WiiM UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/wiim-pro-plus-music-streamer-for-stereo-systems-modernize-your-hi-fi-b0cc2hwc7n/prices","gtin":null,"id":12827,"model_number":null,"name":"WiiM Pro Plus Music Streamer for Stereo Systems, Modernize Your Hi-Fi","product_url":"https://mail.mainbuyer.com/product/wiim-pro-plus-music-streamer-for-stereo-systems-modernize-your-hi-fi-b0cc2hwc7n","urn":"MB-AWIN-GB-B0CC2HWC7N"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"249.00","historical_low":"249.00","last_observed_at":"2026-09-17T12:30:31+00:00","low_30d":"249.00","low_90d":"249.00","median_price":"249.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:31+00:00"}}