VMALL Logitech K400 Plus Wireless Touch Keyboard Black

-Connection Type: Logitech Unifying protocol (2.4GHz)
-Special Keys: Mute, Volume Down, Volume Up
-Connect / Power: On/Off Switch
-Battery Life (not rechargeable): Up to 18 months
-Key life: Up to 5 million keystrokes
-Typing noise: Within 55 dBA for all keys
-Wireless range: 10 m
-Product carbon footprint: 4.9 kg CO2e, Certified carbon neutral
-Warranty: 1Year