{"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":"369.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0D41YCLW8?maas=maas_adg_api_583671915767986300_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB0fe2d6be49a2c753038ff135e9910b4c&aa_adgroupid=e08e278879e19e9b1ff8679938a039d7_PBSEP_!!!affid!!!_118045_&aa_creativeid=e41deFtbgtnAWSoPZDOhAMuLSnReooX7DJie_bxjL4JGc_aps_c"}],"product":{"brand":"WiiM UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/wiim-ultra-hi-res-music-streamer-with-touchscreen-ess-dac-space-gray-b0d41yclw8/prices","gtin":null,"id":12830,"model_number":null,"name":"WiiM Ultra Hi-Res Music Streamer with Touchscreen & ESS DAC, Space Gray","product_url":"https://mail.mainbuyer.com/product/wiim-ultra-hi-res-music-streamer-with-touchscreen-ess-dac-space-gray-b0d41yclw8","urn":"MB-AWIN-GB-B0D41YCLW8"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"369.00","historical_low":"369.00","last_observed_at":"2026-09-17T12:30:31+00:00","low_30d":"369.00","low_90d":"369.00","median_price":"369.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:31+00:00"}}