{"product_id":"marshall-kilburn-ii-portable-bluetooth-speaker-20-hours-playtime-rich-sound","title":"Marshall Kilburn II Portable Bluetooth Speaker ? 20+ Hours Playtime, Rich Sound","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eBluetooth 5.3: Latest Bluetooth version for stable, high-speed wireless connectivity\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003ePortable Design: Compact size (243x162x140mm) and lightweight for easy mobility\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eHigh Fidelity Sound: Dual speakers with 100Hz-20kHz frequency response and ?95dB signal-to-noise ratio\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eLong Battery Life: Built-in 2000-4000mAh battery for extended playback time\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eMulti-Scene Use: Suitable for desktop, outdoor, home, and portable scenarios\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e \u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eMaterial: Plastic casing\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eConnectivity: Bluetooth 5.3 wireless\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003ePower: 35W rated power, 5V voltage\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eBattery: Built-in 2000-4000mAh lithium battery\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eFrequency Response: 100Hz-20kHz\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eSignal-to-Noise Ratio: ?95dB\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eSpeakers: 2 drivers\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eEffective Range: 10 meters\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eColors: Black gold, Black white, Gray\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003ePower Supply: USB charging\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e \u003c\/p\u003e\n\u003ch3\u003ePacking List\u003c\/h3\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eBluetooth speaker*1\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eUSB cable*1\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eUser manual*1\u003c\/p\u003e\n\u003cdiv id=\"offer-template-0\" style=\"max-width: 100%; width: auto;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"max-width: 100%; width: auto;\"\u003e\n\u003cimg style=\"display: block; height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/07\/02\/b9210920-4239-4eb4-af16-9251091866ca.jpeg\" usemap=\"#_sdmap_2\"\u003e \u003cimg style=\"display: block; height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/07\/02\/a4822ddf-9ee0-41b3-ac05-d86869a5f41b.jpeg\" usemap=\"#_sdmap_3\"\u003e \u003cimg style=\"display: block; height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/07\/02\/72794564-74d8-47b6-a0de-bfdfeab60054.jpeg\" usemap=\"#_sdmap_4\"\u003e \u003cimg style=\"display: block; height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/07\/02\/2c53813b-ab69-41e0-b8c4-183157056114.jpeg\" usemap=\"#_sdmap_5\"\u003e \u003cimg style=\"display: block; height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/07\/02\/1eb9f3eb-b3d8-4484-b224-2987ded4894a.jpeg\" usemap=\"#_sdmap_6\"\u003e \u003cimg style=\"display: block; height: auto; max-width: 100%; object-fit: contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/07\/02\/402a6c4c-eca3-48a5-bd90-24fcc36c956b.jpeg\" usemap=\"#_sdmap_7\"\u003e\n\u003c\/div\u003e","brand":"Blyssful","offers":[{"title":"Black gold","offer_id":45861997052095,"sku":"SU00356711-Black gold","price":280.25,"currency_code":"USD","in_stock":true},{"title":"Black and white","offer_id":45861997084863,"sku":"SU00356711-Black and white","price":280.25,"currency_code":"USD","in_stock":true},{"title":"Gray","offer_id":45861997117631,"sku":"SU00356711-Gray","price":280.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/5461\/8559\/files\/e18553d1-a33d-4f1d-a6e6-da173ff381e9.jpg?v=1784208194","url":"https:\/\/blyssful.store\/products\/marshall-kilburn-ii-portable-bluetooth-speaker-20-hours-playtime-rich-sound","provider":"Blyssful","version":"1.0","type":"link"}