Mathematical Keyboard - Write Math & Equations Faster on Windows PC | 55 Symbols & Shortcuts for Any Editor or Browser | 2.4G Wireless + Bluetooth | USB-C Rechargeable | US Layout |

Type math instantly - 55 essential symbols are printed on the keycaps and input in one move (√ ∑ ∫ π θ Σ ≤ ≥ ≠ ± ≈ ∞ …). No Alt codes or menus-just press and keep writing. ️ Two-layer layout (how to use it) - Blue symbols = hold Ctrl+Alt; gray symbols = hold Ctrl+Alt+Shift. Wireless your way - Choose USB-A 2.4 GHz receiver or Bluetooth (one connection at a time). Typical range 8-10 m. The USB receiver stores in a recessed slot under the keyboard, so you won’t lose it. Made for Windows (mapping required) - Designed for Windows 11/10. Install the included Windows layout (via the on-box QR) to enable one-tap math input. ⌨️ Compact, quiet, printed - 78-key compact (ISO-style) layout with low-profile, quiet keys and clearly printed blue/gray math legends for fast recognition. ⚡ Rechargeable battery - 300 mAh internal battery, around 70 hours of use, and auto-sleep after ~10 min. Charge via USB-C. Typical full charge ~2 h. Status at a glance - 4 LEDs show 2.4 G mode, Bluetooth mode, FN-Lock, Caps/low battery/charging, so you always know what’s on. Slim & portable - About 11.6 × 5.0 × 0.87 inches and ~10.6 oz (295 × 128 × 22 mm and ~300 g): easy to slip into a backpack for class, lab, or library sessions. AI button - dedicated key for Copilot - Press to instantly invoke Copilot (supported on Windows 11 23H2+); on earlier builds it opens Windows Search. ✅ What’s in the box + guarantee - Keyboard + USB-A receiver + quick-start (QR download). 1-year warranty and 30-day Amazon returns (no questions asked)-try it and start typing equations faster today.