Cellfy is an online retailer focused on technology and gaming, bringing products for gaming setups, PC builds, home offices, and immersive simulation experiences together in one store. Its catalog includes racing simulator kits, steering wheels, bases, pedals, gear shifters, handbrakes, cockpits, and aviation controls, alongside keyboards, mice, headsets, mousepads, and controllers. Customers can also shop for PC components such as graphics cards, processors, memory, storage, power supplies, cases, motherboards, coolers, and fans, as well as monitors, desks, and chairs.

The store features brands including PXN, MCHOSE, KOZZ, and EasyThreed, with products ranging from force-feedback racing equipment and gaming peripherals to monitors and 3D printers. Cellfy highlights popular products and complete kits to help shoppers assemble or upgrade a setup. Its listed purchasing benefits include a 10% discount for Pix payments, free shipping on orders above R$499.99, installment payments in up to 12 interest-free payments, and a 12-month warranty. Customer support is available through WhatsApp on weekdays.