{"product_id":"niimbot-b21-bluetooth-thermal-label-printer-portable-label-maker","title":"Niimbot B21 Bluetooth Thermal Label Printer – Portable Label Maker","description":"\n\u003ch2\u003eNiimbot B21 Mini Portable Bluetooth Thermal Label Printer\u003c\/h2\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eNiimbot B21\u003c\/strong\u003e — a compact, pocket-sized thermal label printer that lets you create professional-quality adhesive labels anytime, anywhere. Whether you're organizing your home, tagging clothing, printing barcodes, or labeling products for your business, the B21 delivers crisp, clear prints with zero ink or toner required. Simply connect via Bluetooth, design your label in the free NIIMBOT app, and print in seconds.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love the Niimbot B21\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless Bluetooth Connectivity\u003c\/strong\u003e — Pairs effortlessly with your smartphone via the free NIIMBOT app (iOS \u0026amp; Android). Design and print labels directly from your phone.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Ink or Toner Needed\u003c\/strong\u003e — Advanced thermal printing technology produces sharp, clear text and graphics without messy cartridges. Enjoy hassle-free maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable\u003c\/strong\u003e — At just 130 × 94 × 61 mm, the B21 fits in your bag, drawer, or desk without taking up space. Take it to the office, warehouse, or shop floor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Print Speed\u003c\/strong\u003e — Prints at 30–60 mm\/s so you spend less time waiting and more time getting organized.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Rechargeable Battery\u003c\/strong\u003e — The 1,200 mAh battery charges fully in 3–4 hours via USB Type-C, keeping you productive all day.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBPA \u0026amp; BPS Free Labels\u003c\/strong\u003e — NIIMBOT thermal label paper is waterproof, anti-oil, tear-resistant, non-toxic, and degradable — safe for everyday use in any environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Label Support\u003c\/strong\u003e — Supports print widths from 20–50 mm and a max resolution of 203 DPI, ideal for 1D\/QR barcodes, price tags, address labels, clothing tags, product labels, cable markers, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Color Options\u003c\/strong\u003e — Available in Red, Green, Black, and White to match your style or workspace aesthetic.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified\u003c\/strong\u003e — Meets international safety and quality standards for your peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNiimbot B21\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e130 × 94 × 61 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrint Technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermal (No Ink\/Toner)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrint Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30–60 mm\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e203 DPI\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrint Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20–50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBluetooth (App Controlled)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,200 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3–4 Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100–240V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRed, Green, Black, White\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\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHome organization \u0026amp; storage labeling\u003c\/li\u003e\n  \u003cli\u003eClothing, jewelry, and retail price tags\u003c\/li\u003e\n  \u003cli\u003eBarcode (1D \u0026amp; QR) label printing\u003c\/li\u003e\n  \u003cli\u003eSupermarkets, food \u0026amp; fresh produce labeling\u003c\/li\u003e\n  \u003cli\u003eOffice address \u0026amp; shipping labels\u003c\/li\u003e\n  \u003cli\u003eCable \u0026amp; wire management labeling\u003c\/li\u003e\n  \u003cli\u003eMedical \u0026amp; pharmaceutical product tagging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e⚠️ \u003cstrong\u003ePlease Note:\u003c\/strong\u003e This printer is \u003cstrong\u003enot compatible for use in South Korea\u003c\/strong\u003e. For transparent labels, open the NIIMBOT app → Me → My Device → Paper Certification → Transparent, then restart the printer.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box – Portable Winding \u0026amp; Charger Organizer\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/2pcs-jewelry-organizer-velvet-jewelry-storage-tray-ring-showcase-drawer-organizer-trays-earring-storage-box-small-drawer-lining\"\u003e2PCS Jewelry Organizer Velvet Storage Tray – Drawer Organizer\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.ready.gov\/kit\" target=\"_blank\" rel=\"noopener\"\u003eReady.gov emergency supply guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the Niimbot B21 thermal label printer require ink or toner cartridges?\u003c\/h4\u003e\n\u003cp\u003eA: No! The Niimbot B21 uses thermal printing technology, which means it generates heat to print directly onto thermal label paper. There are no ink cartridges, toner, or ribbons required — saving you money on consumables and making maintenance virtually effortless.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What app do I need to use the Niimbot B21, and is it free?\u003c\/h4\u003e\n\u003cp\u003eA: You'll need the free \u003cstrong\u003eNIIMBOT app\u003c\/strong\u003e, available for both iOS and Android devices. The app provides a wide variety of fonts, frames, icons, and templates, allowing you to design custom labels and send them directly to the printer via Bluetooth with a single tap.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What types of labels can I print with the Niimbot B21?\u003c\/h4\u003e\n\u003cp\u003eA: The Niimbot B21 supports a wide range of label types, including barcodes (1D and QR codes), price tags, clothing tags, address labels, product labels, cable markers, and more. It supports print widths from 20 to 50 mm, making it suitable for industries including clothing, retail, food, jewelry, and office environments.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does the battery last, and how is it charged?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in 1,200 mAh rechargeable battery charges fully in approximately 3–4 hours using the included USB Type-C cable. It provides reliable cordless operation throughout your workday, making the B21 a truly portable label-making solution.\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\": \"Does the Niimbot B21 thermal label printer require ink or toner cartridges?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No! The Niimbot B21 uses thermal printing technology, which means it generates heat to print directly onto thermal label paper. 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