{"product_id":"olmaster-cf-1691-usb-laptop-cooling-fan-stand-3-speed-notebook-cooler","title":"Olmaster CF-1691 USB Laptop Cooling Fan Stand | 3-Speed CE Certified","description":"\n\u003ch2\u003eStay Cool, Stay Productive — Olmaster CF-1691 USB Cooling Fan\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eOlmaster CF-1691 USB Cooling Fan\u003c\/strong\u003e is the ultimate portable cooling solution for laptops, tablets, and smartphones. Featuring a powerful cross-flow fan design, adjustable 3-speed settings, and a versatile bracket that works both vertically and horizontally, this sleek black cooler keeps your devices — and you — running at peak performance. No drivers, no fuss: just plug it in and enjoy instant relief from device overheating.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug \u0026amp; Play:\u003c\/strong\u003e No drivers or software installation required — simply connect via USB and get instant cooling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCross-Flow Fan Technology:\u003c\/strong\u003e Delivers significantly stronger airflow than a standard PC fan, ensuring effective heat dissipation at 2100–2900 RPM.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3-Speed Fan Control with LED Indicator:\u003c\/strong\u003e Choose from Low, Medium, or High fan speeds to match your cooling needs. LED light makes it easy to monitor your current setting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Bracket Design:\u003c\/strong\u003e Supports devices of all sizes. Use it vertically or horizontally — for your notebook, tablet, smartphone, or even as a personal desk fan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e At just 453g and 28.6cm long, it slips easily into a bag for on-the-go cooling wherever you work or study.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHot-Swappable USB Power:\u003c\/strong\u003e Powered directly from your device's USB port — no extra power adapter needed. Supports hot swapping for ultimate convenience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet Operation:\u003c\/strong\u003e Low noise level of only 28–34 dBA keeps your workspace peaceful even at higher speeds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets European safety and electromagnetic compatibility standards for peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOlmaster CF-1691\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFan Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2100–2900 RPM (3 modes)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V (USB powered)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28–34 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFan Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28.6 × 6.5 × 6.5 cm (11.26 × 2.56 × 2.56 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e453.2g (15.98 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Olmaster CF-1691 USB Cooling Fan\u003c\/li\u003e\n  \u003cli\u003e1 × USB Cable\u003c\/li\u003e\n  \u003cli\u003e1 × User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible With\u003c\/h3\u003e\n\u003cp\u003eLaptops, notebooks, tablets, smartphones, and more — the adjustable bracket accommodates virtually all device sizes and configurations.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2m-3-5mm-aux-audio-cable-mic-volume-control-gold-plated\"\u003e1.2m 3.5mm Aux Audio Cable with Mic \u0026amp; Volume Control\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/sata-power-splitter-cable-1-to-5-18awg-hdd-ssd-extension\"\u003e1 to 5 SATA Power Splitter Cable 18AWG | HDD SSD Extension\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/displayport-to-hdmi-cable-4k-dp-adapter-pc-tv-projector-monitor\"\u003e1.8M DisplayPort to HDMI Cable 4K DP Adapter – PC TV Monitor\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on safe electronics use and heat management, visit the \u003ca href=\"https:\/\/www.energy.gov\/energysaver\/home-cooling-systems\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eU.S. Department of Energy – Home Cooling Systems\u003c\/a\u003e resource page.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What devices is the Olmaster CF-1691 USB cooling fan compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The Olmaster CF-1691 is compatible with virtually any device — laptops, notebooks, tablets, and smartphones. Its adjustable bracket accommodates different sizes and can be positioned vertically or horizontally, making it a truly universal USB cooling fan.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the Olmaster CF-1691 cooling fan require any software or driver installation?\u003c\/h4\u003e\n\u003cp\u003eA: No! The CF-1691 is a true plug-and-play USB cooling fan. Simply connect it to any USB port and it starts working immediately — no drivers, no software, no setup required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How loud is the Olmaster CF-1691 laptop cooling fan?\u003c\/h4\u003e\n\u003cp\u003eA: The CF-1691 operates at a very quiet 28–34 dBA noise level, even at its highest speed setting. This makes it suitable for use in offices, libraries, classrooms, or any environment where noise is a concern.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use the Olmaster CF-1691 as a personal desk fan as well as a device cooler?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! Thanks to its horizontal axis and adjustable bracket design, the CF-1691 can be directed at the user as well as at your device. It functions as a personal mini desk fan in addition to cooling your laptop or phone.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What devices is the Olmaster CF-1691 USB cooling fan compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Olmaster CF-1691 is compatible with virtually any device — laptops, notebooks, tablets, and smartphones. Its adjustable bracket accommodates different sizes and can be positioned vertically or horizontally, making it a truly universal USB cooling fan.\"}}, {\"@type\": \"Question\", \"name\": \"Does the Olmaster CF-1691 cooling fan require any software or driver installation?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No! 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