●Wireless Gaming Keyboard featuring ultra-fast lag free wired or wireless connection. The rechargeable keyboard has a battery life up to 30 hours (RGB on) up to 300 hours (RGB off) on a single charge, the keyboard can be used wired while charging ●RGB Backlighted Keyboard; with 6 different Lighting modes & effects, 4 backlight brightness levels, adjustable breathing speed, the illumination can be completely turned off. The keycaps offering clear uniform backlighting ●Ergonomic Splash Proof Design; The cordless quiet Membrane Keyboard has been ergonomically designed and can withstand the average liquid spill. The integrated wrist rest gives you the comfort you need for marathon gaming sessions ●Multi Media & Anti Ghosting; The Redragon K503 has 25 conflict free keys (n-Key Rollover) 10 dedicated multimedia keys plus 12 additional FN+ Multimedia keys. Comes with Full numeric keypad delivering precise tactile feedback ●PC Gaming Keyboard Compatibility: Windows 10, Windows 8, Windows 7, Windows Vista, or Windows XP, Limited Mac OS support