Logitech G913 TKL Wireless RGB Mechanical Gaming Keyboard (GL-Linear) 1. Made of aerospace-grade aluminum alloy, it has both a slim appearance and a strong interior 2. The Bluetooth connection function can be used to realize one-key switching between devices 3. Fully charged, you can enjoy about 40 hours of uninterrupted games 4. There is a USB convenient slot on the back of the keyboard to store your USB wireless receiver 5. Refined borderless volume scroll wheel and dedicated media keys provide you with simple and intuitive control functions, which can quickly play, pause, skip or mute 6. About 16.8 million colors, easily adjust RGB lighting effects to match your room layout, equipment and game style 7. Trigger key stroke: about 1.5 mm 8. Travel distance: about 2.7 mm 9. Keystroke force: about 50g 10. Sound type: quiet 11. Pressure type: linear 12. Size: about 368x150x22mm, cable length: about 1.8 meters, weight: about 810g