LOGITECH WIRELESS TOUCH KEYBOARD K400 PLUS DARK (920-002145)

Description Key Specifications & Features Feature Details Type / Form Factor Wireless keyboard with integrated touchpad (all‑in‑one) Connection 2.4 GHz via Logitech Unifying USB receiver Wireless Range Up to ~10 meters (33 ft) Battery 2 × AA (included) Battery Life Up to 18 months (typical usage) Touchpad Size ~ 76 mm × 47 mm (≈ 3.0″ × 1.85″) Dimensions (Keyboard) ~ 139.9 mm (H) × 354.3 mm (W) × 23.5 mm (D) Weight ~ 390 g (with batteries) Durability / Key Life Keys rated for up to 5 million keystrokes Noise Typing noise ~ ≤ 55 dBA (quiet keys) Special Keys / Controls Volume controls, media keys, etc. Compatibility Windows, Android, Chrome OS, etc. — any device supporting external keyboards / HID Other Features Spill‑resistant design, plug‑and‑play setup (just insert the USB receiver) Warranty 1 year (typical Logitech hardware warranty)