Features: 【RGB Full-color Backlight】18 sets of independent RGB backlight LED lights with 16.8 million colors and 18 lighting modes, providing high visibility and visual appeal. 【Three-layer Sound-absorbing Structure】The keyboard is built with EVA sandwich cotton, bottom cotton, and customized axis cushion, effectively filling the internal gaps of the keyboard and eliminating most of the cavity sound, making the key sound more mellow and pleasant. 【Large Battery Capacity】With a 4000mAh battery capacity, it provides long-lasting battery life, allowing you to play with the lights and enjoy yourself without worrying about battery anxiety. 【Gasket Structure】Featuring a gasket structure with multiple small pads, this keyboard offers an excellent hand feel and typing sound while preventing hard collisions between the internals and the shell. The soft and bouncy PC material positioning plate ensures better consistency in overall key feel and purer typing sound. 【Tri-Mode Wireless Keyboard】The Tri-Mode Wireless Keyboard offers three modes of operation- BT mode, 2.4GHz wireless mode, and wired mode - allowing for effortless switching between modes based on your requirements. 【Customizable Keycaps & Switches】Personalize your wireless keyboard with complete customization of both keycaps and switches to your liking. 【Three-Pin And Five-Pin Switch Support】This gaming keyboard supports both three-pin and five-pin switches, offering a broader selection of switch options for you to choose from. 【99 Keys & 1 Knob】This tri-mode keyboard is perfect for gaming enthusiasts, boasting 99 keys and a convenient twistable knob for volume control. Despite its compact design, it provides all the necessary keys for gaming while saving valuable desk space. Plus, the volume control is conveniently located for easy access. Specifications: Product brand: AJAZZ Product model: AK992 Color: Green Transmission mode: USB wired + 2.4G wireless + BT 5.0 Interface type: Type-C interface Product size: 391 * 142 * 40mm Product weight: ≈8O0g Lithium battery: 4000mAh Shell material: ABS Key cap material: PBT OEM Wire length: 1.6M Light effect: 18 RGB light effects, Key layout: 99 keys + 1 knob Support system: Windows 7/8/10/11/MAC/Android Packing List: 1 * Keyboard