{"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":"2026-09-17T12:27:04+00:00","price":"3.69","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B07YLDVM6B?maas=maas_adg_api_592388559938624374_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=0a643cf523b775142609495fd9d7916d&aa_adgroupid=23252abeb0155cc516268304f21e500c_PBSEP_!!!affid!!!_118045_&aa_creativeid=be04mXgb4eDErBEwDTSohE2KA8GM9cRU4WrBm5w0NfVzQ3g_c"}],"product":{"brand":"TP-Link UK","evidence_url":"https://mainbuyer.com/evidence/products/tp-link-ub4a-bluetooth-usb-adapter-for-pc-nano-bluetooth-dongle-b07yldvm6b/prices","gtin":null,"id":6901,"model_number":null,"name":"TP-Link UB4A Bluetooth USB Adapter for PC, Nano Bluetooth Dongle","product_url":"https://mainbuyer.com/product/tp-link-ub4a-bluetooth-usb-adapter-for-pc-nano-bluetooth-dongle-b07yldvm6b","urn":"MB-AWIN-GB-B07YLDVM6B"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"3.69","historical_low":"3.69","last_observed_at":"2026-09-17T12:27:04+00:00","low_30d":"3.69","low_90d":"3.69","median_price":"3.69","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:27:04+00:00"}}