{"product_id":"em04-wireless-trackball-mouse","title":"EM04 Wireless Trackball Mouse","description":"\u003cstyle\u003e\n    .em04_video_wrap,\n    .em04_image_stack {\n        width: 100%;\n        margin: 0;\n        padding: 0;\n        line-height: 0;\n        background-color: #ffffff;\n    }\n\n    .em04_video_wrap video,\n    .em04_image_stack img,\n    .em04_hero_img {\n        width: 100%;\n        height: auto;\n        display: block;\n        margin: 0;\n        padding: 0;\n        border: 0;\n        border-radius: 0;\n        box-shadow: none;\n    }\n\n    .em04_overview,\n    .em04_why_choose,\n    .em04_faq {\n        background-color: #ffffff;\n        text-align: center;\n        padding: 56px 270px;\n        margin: 0;\n        line-height: 1.6;\n    }\n\n    .em04_overview h2,\n    .em04_why_choose h2,\n    .em04_faq h2 {\n        color: #201F1C;\n        font-size: 30px;\n        line-height: 1.3;\n        font-weight: 600;\n        margin: 0 0 16px;\n        padding: 0;\n    }\n\n    .em04_overview p,\n    .em04_why_choose p {\n        color: #484540;\n        font-size: 18px;\n        line-height: 1.75;\n        margin: 0 auto 16px;\n        max-width: 920px;\n    }\n\n    .em04_split {\n        display: grid;\n        grid-template-columns: 1fr 1fr;\n        align-items: center;\n        gap: 48px;\n        background-color: #ffffff;\n        padding: 56px 270px;\n        margin: 0;\n    }\n\n    .em04_split img {\n        width: 100%;\n        display: block;\n    }\n\n    .em04_split_text h2 {\n        color: #201F1C;\n        font-size: 30px;\n        line-height: 1.3;\n        font-weight: 600;\n        margin: 0 0 16px;\n    }\n\n    .em04_split_text p {\n        color: #484540;\n        font-size: 18px;\n        line-height: 1.75;\n        margin: 0 0 12px;\n    }\n\n    .em04_feature_grid {\n        display: grid;\n        grid-template-columns: repeat(4, 1fr);\n        gap: 24px;\n        background-color: #ffffff;\n        padding: 56px 120px;\n        margin: 0;\n    }\n\n    .em04_feature_item {\n        text-align: center;\n    }\n\n    .em04_feature_item img {\n        width: 100%;\n        display: block;\n        margin: 0 0 18px;\n    }\n\n    .em04_feature_item h3 {\n        color: #201F1C;\n        font-size: 21px;\n        line-height: 1.35;\n        font-weight: 600;\n        margin: 0 0 10px;\n    }\n\n    .em04_feature_item p {\n        color: #484540;\n        font-size: 16px;\n        line-height: 1.65;\n        margin: 0;\n    }\n\n    .em04_faq {\n        text-align: left;\n    }\n\n    .em04_faq h2 {\n        text-align: center;\n        margin-bottom: 32px;\n    }\n\n    .em04_faq_item {\n        max-width: 920px;\n        margin: 0 auto 26px;\n    }\n\n    .em04_faq_item h3 {\n        color: #201F1C;\n        font-size: 21px;\n        line-height: 1.4;\n        font-weight: 600;\n        margin: 0 0 10px;\n    }\n\n    .em04_faq_item p {\n        color: #484540;\n        font-size: 17px;\n        line-height: 1.75;\n        margin: 0;\n    }\n\n    @media screen and (max-width: 750px) {\n        .em04_overview,\n        .em04_why_choose,\n        .em04_faq {\n            padding: 44px 32px;\n        }\n\n        .em04_overview h2,\n        .em04_why_choose h2,\n        .em04_faq h2,\n        .em04_split_text h2 {\n            font-size: 24px;\n        }\n\n        .em04_overview p,\n        .em04_why_choose p,\n        .em04_split_text p {\n            font-size: 16px;\n        }\n\n        .em04_split {\n            grid-template-columns: 1fr;\n            gap: 28px;\n            padding: 44px 32px;\n        }\n\n        .em04_feature_grid {\n            grid-template-columns: 1fr 1fr;\n            gap: 24px 16px;\n            padding: 44px 24px;\n        }\n\n        .em04_feature_item h3 {\n            font-size: 18px;\n        }\n\n        .em04_feature_item p {\n            font-size: 14px;\n        }\n\n        .em04_faq_item h3 {\n            font-size: 18px;\n        }\n\n        .em04_faq_item p {\n            font-size: 15px;\n        }\n    }\n\u003c\/style\u003e\n\n\u003c!-- START Video --\u003e\n\u003cdiv class=\"em04_video_wrap\"\u003e\n    \u003cvideo id=\"product-video\" preload=\"metadata\" loop playsinline autoplay muted controls\u003e\n        \u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/05da5ca1c15d41c9ad6e9b8e07c9425d.mp4\" type=\"video\/mp4\"\u003e\n        Your browser does not support HTML5 video.\n    \u003c\/source\u003e\u003c\/video\u003e\n\u003c\/div\u003e\n\u003c!-- END Video --\u003e\n\n\n\u003c!-- START Overview --\u003e\n\u003cdiv class=\"em04_overview\"\u003e\n    \u003ch2\u003eErgonomic Thumb-Controlled Tracking\u003c\/h2\u003e\n    \u003cp\u003e\n        Upgrade your everyday workflow with the EM04 Wireless Trackball Mouse. Designed with smooth thumb-controlled tracking, multi-device wireless connection, quiet clicks, and rechargeable power, EM04 helps reduce wrist movement while keeping your workspace efficient and comfortable.\n    \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- END Overview --\u003e\n\n\u003c!-- START Image Stack --\u003e\n\u003cdiv class=\"em04_image_stack\"\u003e\n    \u003cimg class=\"em04_hero_img\" src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/be7359d6-feb2-471c-af92-090f9255b45a.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\" alt=\"ProtoArc EM04 wireless trackball mouse\"\u003e\n    \u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/b44f0792-ab7a-43ab-b9e3-da38f1cad77e.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\" alt=\"ProtoArc EM04 thumb trackball mouse\"\u003e\n    \u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/8c73e8d6-e2ee-4bf6-9560-15cf672ed4fc.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\" alt=\"ProtoArc EM04 multi-device connection\"\u003e\n    \u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/9c3e4aaa-d1d8-4558-ad87-4dd03f735e13.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\" alt=\"ProtoArc EM04 track anywhere\"\u003e\n    \u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/8ed5cd51-08e2-4c14-b2ee-3a0b7ebea1a8.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\" alt=\"ProtoArc EM04 hand size notice\"\u003e\n\u003c\/div\u003e\n\u003c!-- END Image Stack --\u003e\n\n\u003c!-- START Left Image Right Text --\u003e\n\u003cdiv class=\"em04_split\"\u003e\n    \u003cdiv\u003e\n        \u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/0ec694a3-def9-4f6e-a475-e3fa607cc3df.__CR0,0,800,600_PT0_SX800_V1___.jpg\" alt=\"ProtoArc EM04 package contents\"\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"em04_split_text\"\u003e\n        \u003ch2\u003eA Thumb-Control Trackball\u003c\/h2\u003e\n        \u003cp\u003e\n            With the thumb-operated trackball, you do not need to move your whole hand to control the cursor, helping reduce hand and wrist fatigue during long work sessions.\n        \u003c\/p\u003e\n        \u003cp\u003e\n            Package includes: EM04 Wireless Trackball Mouse, USB receiver, Type-C charging cable, and user manual.\n        \u003c\/p\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- END Left Image Right Text --\u003e\n\n\u003c!-- START Four Small Feature Cards --\u003e\n\u003cdiv class=\"em04_feature_grid\"\u003e\n    \u003cdiv class=\"em04_feature_item\"\u003e\n        \u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/ecd44b71-ac52-4060-9d37-fbb1415b4e6e.__CR0,0,300,225_PT0_SX300_V1___.jpg\" alt=\"EM04 adjustable DPI\"\u003e\n        \u003ch3\u003eAdjustable DPI\u003c\/h3\u003e\n        \u003cp\u003e\n            Choose from 5 DPI levels to adjust cursor speed for different work habits and tracking needs.\n        \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"em04_feature_item\"\u003e\n        \u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/2512638d-4f6d-4c2b-9ab5-18e1abf7d868.__CR0,0,300,225_PT0_SX300_V1___.jpg\" alt=\"EM04 rechargeable mouse\"\u003e\n        \u003ch3\u003eRechargeable Power\u003c\/h3\u003e\n        \u003cp\u003e\n            Built-in rechargeable battery means no frequent battery replacement. Charge easily with the included Type-C cable.\n        \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"em04_feature_item\"\u003e\n        \u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/238bc1ec-4ef4-48cb-a173-6c20f5f47778.__CR0,0,300,225_PT0_SX300_V1___.jpg\" alt=\"EM04 universal compatibility\"\u003e\n        \u003ch3\u003eUniversal Compatibility\u003c\/h3\u003e\n        \u003cp\u003e\n            Works with USB-enabled and Bluetooth-enabled devices, including Windows, macOS, Android, laptops, desktops, and tablets.\n        \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"em04_feature_item\"\u003e\n        \u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/f94a3323-0356-41aa-96da-b3a38ca4e30c.__CR0,0,300,225_PT0_SX300_V1___.jpg\" alt=\"EM04 low battery indicator\"\u003e\n        \u003ch3\u003eLow Battery Indicator\u003c\/h3\u003e\n        \u003cp\u003e\n            The indicator light flashes when battery is low, helping you know when it is time to recharge.\n        \u003c\/p\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- END Four Small Feature Cards --\u003e\n\n\u003c!-- START Why Choose --\u003e\n\u003cdiv class=\"em04_why_choose\"\u003e\n    \u003ch2\u003eWhy Choose EM04\u003c\/h2\u003e\n\n    \u003cp\u003e\n        EM04 is built for users who want smooth cursor control without constantly moving their wrist or arm. The thumb-controlled trackball lets you work comfortably on a desk, sofa, lap, or compact workspace, making it especially useful for narrow or cluttered desk setups.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n        With Bluetooth and 2.4GHz wireless connection, 3-device switching, 5 DPI levels, quiet clicks, rechargeable battery, and an ergonomic curved shape, EM04 gives you a smoother and more flexible way to work across laptop, desktop, tablet, and Mac setups.\n    \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- END Why Choose --\u003e\n\n\u003c!-- START FAQ --\u003e\n\u003cdiv class=\"em04_faq\"\u003e\n    \u003ch2\u003eFAQ\u003c\/h2\u003e\n\n    \u003cdiv class=\"em04_faq_item\"\u003e\n        \u003ch3\u003eDoes EM04 require moving the mouse?\u003c\/h3\u003e\n        \u003cp\u003e\n            No. EM04 uses a thumb-controlled trackball, so you can move the cursor without sliding the mouse across your desk.\n        \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"em04_faq_item\"\u003e\n        \u003ch3\u003eHow many devices can EM04 connect to?\u003c\/h3\u003e\n        \u003cp\u003e\n            EM04 supports up to 3 devices through Bluetooth and 2.4GHz wireless connection.\n        \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"em04_faq_item\"\u003e\n        \u003ch3\u003eIs EM04 rechargeable?\u003c\/h3\u003e\n        \u003cp\u003e\n            Yes. EM04 has a built-in 450mAh rechargeable battery and can stand by for up to 1 month on a full charge.\n        \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"em04_faq_item\"\u003e\n        \u003ch3\u003eCan I adjust the cursor speed?\u003c\/h3\u003e\n        \u003cp\u003e\n            Yes. EM04 supports 5 DPI levels: 200, 400, 800, 1200, and 1600 DPI.\n        \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"em04_faq_item\"\u003e\n        \u003ch3\u003eAre the buttons programmable?\u003c\/h3\u003e\n        \u003cp\u003e\n            No. The buttons are not programmable. The Forward and Back buttons are not compatible with macOS.\n        \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"em04_faq_item\"\u003e\n        \u003ch3\u003eDoes it take time to get used to?\u003c\/h3\u003e\n        \u003cp\u003e\n            Yes. A trackball mouse feels different from a traditional mouse, so first-time users may need a short adjustment period.\n        \u003c\/p\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- END FAQ --\u003e","brand":"ProtoArc","offers":[{"title":"Black","offer_id":43410346049625,"sku":"CP012985","price":26.99,"currency_code":"USD","in_stock":false},{"title":"Purple","offer_id":43410346082393,"sku":"CP013668","price":26.99,"currency_code":"USD","in_stock":false},{"title":"Silver","offer_id":43410346115161,"sku":"CP014704","price":26.99,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":43410346147929,"sku":"CP014705","price":26.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/3972\/9497\/files\/58.png?v=1780972601","url":"https:\/\/www.protoarc.com\/products\/em04-wireless-trackball-mouse","provider":"ProtoArc","version":"1.0","type":"link"}