The Astrum KT200 Dual‑Mode Wireless Keyboard is designed for hybrid workers and multi‑device users. With Bluetooth 5.0 + 2.4GHz USB connectivity, it seamlessly switches between up to 3 paired devices using FN shortcuts. Featuring ultra‑silent scissor switches (≤45dB), 79 bold laser‑etched keys, and 1.2mm key travel, the KT200 delivers a comfortable, notebook‑style typing experience. Its 200‑hour battery life (300mAh rechargeable, 3‑hour charge) lasts 3× longer than most mini keyboards, with auto sleep mode and a physical on/off switch for efficiency. Compact at 280×117×14.5mm and weighing just 350g, it’s slimmer and lighter than many smartphones, making it perfect for mobile productivity. Compatible with Windows, macOS, Android, iOS, and HarmonyOS, the KT200 is backed by a 12‑month warranty. Technical Specifications: Model / SKU: A51020‑B Connectivity: Bluetooth 5.0 + 2.4GHz USB (dual‑mode) Device Switching: Supports up to 3 paired devices Keyboard Layout: 79‑key QWERTY with 14 shortcut keys Key Travel: 1.2mm scissor‑switch Noise Level: ≤45dB (ultra‑silent) Battery: 300mAh rechargeable, 200h runtime, 3h charge Range: 10m through walls/obstacles Dimensions: 280 × 117 × 14.5 mm Weight: 350g Warranty: 12 months What’s Included: KT200 Keyboard (Black) USB‑A to USB‑C charging cable Quick start guide