{"product_id":"mx-master-3s-left-key-button-board-mouse-replacement-part","title":"MX Master 3S Left Key Button Board – Mouse Replacement Part","description":"\n\u003ch2\u003eMX Master 3S Left Key Mouse Button Board – Replacement Repair Part\u003c\/h2\u003e\n\u003cp\u003eKeep your MX Master 3S mouse performing like new with this precision-engineered left key button board replacement. Crafted from durable plastic and metal materials, this drop-in repair component restores smooth, accurate clicks and extends the life of your favorite mouse — saving you the cost of a full replacement.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExact Fit:\u003c\/strong\u003e Designed specifically for the Logitech MX Master 3S, ensuring a seamless, compatible installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Materials:\u003c\/strong\u003e Built from a robust plastic and metal composite for long-lasting durability without frequent replacements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmooth Operation:\u003c\/strong\u003e Fine-tuned surface finish delivers a responsive, tactile click feel for precise everyday and gaming use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessionally Tested:\u003c\/strong\u003e Each board undergoes quality assurance checks to guarantee consistent performance right out of the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Install:\u003c\/strong\u003e Moderate size and weight make installation straightforward, even for first-time DIY repairers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 Piece Included:\u003c\/strong\u003e Comes with one (1) left key mouse button board — everything you need for the repair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHUXUAN\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMX Master 3S\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic + Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Piece\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAs shown in product images\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAs shown in product images\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct images are for reference only and may not reflect actual size — please refer to the specifications above.\u003c\/li\u003e\n  \u003cli\u003eMinor measurement variations may occur due to manual measuring processes.\u003c\/li\u003e\n  \u003cli\u003eSlight color differences may exist due to varying monitor display settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-wooden-handle-nylon-bristle-paint-brush-for-oil-painting-dusting-and-cleaning-unrechargeable-hand-tool-set-without-batt-2\"\u003e10Pcs Wooden Handle Nylon Bristle Brush Set – Cleaning \u0026amp; Detail Work\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – Portable Mini Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-100pcs-microfiber-towels-car-wash-drying-cloth-towel-household-cleaning-cloths-auto-detailing-polishing-cloth-home-clean-tools\"\u003eMicrofiber Cleaning Cloths – Multi-Use Polishing \u0026amp; Detailing Towels\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this left key button board compatible with the MX Master 3S specifically?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this replacement button board is designed specifically for the MX Master 3S mouse model. Please verify your mouse model before purchasing to ensure compatibility.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What materials is the MX Master 3S button board made from?\u003c\/h4\u003e\n\u003cp\u003eA: The button board is constructed from a combination of durable plastic and metal, ensuring a sturdy build quality that holds up to regular daily use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How difficult is it to install this replacement left key button board?\u003c\/h4\u003e\n\u003cp\u003eA: The part is designed with DIY repair in mind — its moderate size and weight make the installation process manageable. Basic mouse disassembly knowledge is recommended, and there are many community tutorials available for the MX Master 3S.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this left key button board compatible with the MX Master 3S specifically?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, this replacement button board is designed specifically for the MX Master 3S mouse model. 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