{"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":"2026-09-18T08:29:45+00:00","price":"39.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DK76XJP4?maas=maas_adg_api_587917621439044438_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB86d049c9b3545c5c7a1612d2992e400d&aa_adgroupid=3dc5f97a981eff89dcc4fac07e7452df_PBSEP_!!!affid!!!_118045_&aa_creativeid=fe70HkFMntXSbGb3C0U5zdNYC_aHCYpZOp6Co3_abo5Ek5kJs_c"},{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:29:05+00:00","price":"39.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DK76XJP4?maas=maas_adg_api_587917621439044438_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB86d049c9b3545c5c7a1612d2992e400d&aa_adgroupid=3dc5f97a981eff89dcc4fac07e7452df_PBSEP_!!!affid!!!_118045_&aa_creativeid=fe70HkFMntXSbGb3C0U5zdNYC_aHCYpZOp6Co3_abo5Ek5kJs_c"}],"product":{"brand":"Ultrahuman","evidence_url":"https://mail.mainbuyer.com/evidence/products/ultrahuman-ring-voyager-charger-full-charge-in-2-hours-quick-and-wireless-charging-includes-travel-pouch-sleek-design-12-b0dk76xjp4/prices","gtin":null,"id":10518,"model_number":null,"name":"ULTRAHUMAN Ring Voyager Charger - Full Charge in 2 Hours - Quick and Wireless Charging - Includes Travel Pouch - Sleek Design (12)","product_url":"https://mail.mainbuyer.com/product/ultrahuman-ring-voyager-charger-full-charge-in-2-hours-quick-and-wireless-charging-includes-travel-pouch-sleek-design-12-b0dk76xjp4","urn":"MB-AWIN-GB-B0DK76XJP4"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"39.00","historical_low":"39.00","last_observed_at":"2026-09-18T08:29:45+00:00","low_30d":"39.00","low_90d":"39.00","median_price":"39.00","observation_count":2,"priced_observation_count":2,"retailer_count":1,"span_days":1,"tracked_since":"2026-09-17T12:29:05+00:00"}}