Features: | AULA S99 Tri-Mode (2.4G/BT/Wired) Programmable Full Size Membrane Gaming Keyboard | Blue+White (S99UW) | Connection: Type-C Wired & 2.4G Wireless & BT. | FN key multi-function. | Number of keys: 99 keys. | Rated voltage: DC 5V. | Rated current: <150mA. | Rechargeable battery: 2000mAh. | Size: 412.39(L) × 158.02(W) × 51.69(H) ±0.2mm. | Weight: 750g. | Operating system: WIN XP/7/8/10/MAC/Android/IOS. | S99 Membrane Gaming Keyboard | Fashionable appearance design. | Keycaps are durable and wear-resistant, not easy to lose color, multi-color available. | Keyboard keys are responsive, feel great, 10 million times key life, durable. | With intelligent hibernation mode: the host into hibernation or standby state, the backlight function is turned off, the host starts to restore the previous mode. | Keycaps and slit backlighting, color uniformity, optional monochrome mixed light or phantom light emitting. | Keyboard user-friendly design, with Fn with a series of commonly used shortcut function keys. | Please download the software from: aulastar.com