Specifications: The built-in rechargeable battery supports charging while using, eliminating frequent battery replacement. To share a wireless receiver, unplug the receiver from the bottom of the mouse and insert it into the USB port of the computer, and use the keyboard and mouse to turn the key to the ON position. Keyboard has a wealth of multi-media keys, which can be triggered by pressing FN + the corresponding function key (F1-F10). It supports brightness adjustment and turn off the light and other functions. Floating keycaps design with the backlight, it is charming and unique. The keyboard adopts a front waterproof design for easy cleaning. The mouse has three adjustable levels of 800/1600/2400DPI , which is easy to control different game scenes. Spacification: Item Name: Wireless Keyboard + Wireless Mouse Color: Black/ White Material: ABS Keyboard Battery Capacity: 3000mAh (Included) Mouse Battery Capacity: 800mAh (Included) Wireless Technology: 2.4GHz Transmission distance: 10m Power supply: Chargeable Mouse Button: 6 Mouse DPI: 800-1600-2400DPI Lighting Effects: Colorful Light, Orange Light (Optional) DPI: 800, 1600, 2400 (Adjustable) Keyboard Buttons Lifetime: about 10 Million Times Features: Wireless, Rechargeable, Comfortable to Use Keyboard Size: 450mm x 135mm x 45mm/17.72" x 5.31" x 1.77" (Approx.) Mouse Size: 135mm x 75mm x 40mm/5.31" x 2.95" x 1.57" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package: 1 x Wireless Keyboard 1 x Wireless Mouse 1 x Mouse Pad