A4Tech Bloody B740A - Keyboard - backlit - USB - key switch: infrared

Extended palm rest. Extended palm rest for better comfort and less fatigue during the gameplay. Water-proof. The infrared switch is surrounded by a barrier wall to prevent any water damage from spills. Anti-slippery keyboard lift. Prevents keyboard moving or vibrating during the game. Key response less 0.2 ms. Without any traditional metal bouncing noise. Performs extreme 0.2 ms light speed response! 8 silicone keycaps. The 8 gaming non-slip silicone keycaps designed for a longer comfort usage. Unwear keycap. Durable dual-color injections light keycaps will never wear off.