JIRNO is a Czech online retailer combining a broad product range with store and service offerings for households, businesses, schools, and institutions. Its catalogue covers electrical equipment, lighting, heating, photovoltaics, energy products, and electric-vehicle accessories, alongside computers, laptops, office technology, networking, telecommunications, and smart-home and security systems. Customers can also shop for televisions and audio-video equipment, mobile devices, appliances, tools, garden supplies, home goods, toys, sports and outdoor products, and selected personal-care items.

The site features products from numerous manufacturers, including Ubiquiti, MikroTik, TP-Link, Canon, Epson, Lenovo, ABB, and Hikvision. Beyond retail, JIRNO highlights tailored solutions for organisations, service and consulting, and support with complaints and product returns. Its website provides practical information on delivery, payment, and business terms, along with articles and guides.

The store supports several language and currency options, reflecting an effort to serve a varied customer base. With its extensive selection spanning technology, electrical installation, home, and leisure, JIRNO positions itself as a versatile source for products and related assistance