Multi-Device Connection】RedThunder RT84 offers two connection methods: wired and Bluetooth. Upgrade Bluetooth 5.0 allows to connect up to three devices at the same time and easily switch between them, it is very suitable for home, office, outdoor and occasional games. Hot Replaceable Red Switch】 The classic style of the typewriter is integrated with high-quality hot swappable red switch technology. The smoother and faster red switch is a favorite for agile players who need fast reflexes with minimal resistance, and it's the switch best suited for the office. SYNC EVERYTHING INSTANTLY — Never lose a thought again. This writing tool features internal flash storage that can hold up to 1,000,000 words , and with built-in wifi, everything is seamlessly synced to the cloud. When you’re ready to edit, simply transfer your drafts to your software of choice.

Effortless Typing: It's as easy as setting down, inserting a sheet of paper, and letting your thoughts flow through your fingertips. No power cords, no need for a computer, and no screens required. Press the top sidekey and PTT together, turn on the radio at the same time. we will see that the led is flashing red and green. It means the RT84 is in DFU mode. GET IN THE FLOW, FAST — Simply turn on the Smart Typewriter and let the words flow. Its intentionally minimal design helps you focus so you can compose your best work. With a blue light-free e ink display that’s easy on the eyes in any lighting, you can draft whenever—and wherever—inspiration strikes. Note: If the RT84 is not in the DFU mode before upgrading, you will can't upgrade successfully. Or will result white screen.Compact 84 French AZERTY keys】 75% layout (84 keys) compact Bluetooth mechanical keyboard. The ultimate TKL keyboard that retains shortcuts and arrow keys. RedThunder RT84 provides standard FR layout. Retro Style by Modern Technology】RedThunder RT84 uses the classic typewriter as an important design element, incorporating a silver-plated lever, two metal rolls and electroplated round punk keys, every detail is perfect for presenting the retro. Artistic design makes it a decorative piece to decorate your desk.