1、Suitable for laptop, sharing the same receiver. Unplug the receiver from the bottom of the mouse, insert to the computer USB port, then the keyboard and mouse switch to the ON position to use. Connection is free and unconstrained with 2.4G wireless technology. 2、The keyboard and mouse set adopts professional gaming chips for stable transmission and accurate analysis. Precise gaming engine stable input, allowing you to feel comfortable and convenient in the game. 3、The wireless keyboard and mouse set is equipped with built‑in higher capacity rechargeable lithium battery with long‑term battery life, and supports charging during the use, eliminating frequent battery replacement. 4、The keyboard has a wealth of multimedia keys, can be triggered by pressing fn + the corresponding function key (f1‑f10). Support functions such as brightness setting and turning off the lights. 5、The keyboard is equipped with a backlight floating keycap design, which makes the keyboard more charming and unique. And the keyboard adopts a front waterproof design, which is easy to clean. 6、The mouse has 3 DPI, 800/1600/2400DPI free adjustment, easy to control different game scenes. Hollow and breathable design use the hand‑free side wing upgrade technology, revealing shining brilliance. Item Type: Mouse Keyboard Set Material: ABS Shell Color: Black Built-in Battery: Polymer Lithium Battery Keyboard Battery Capacity: 3000mAh (Included) Mouse Battery Capacity: 800mAh (Included) Wireless Technology: 2.4 GHz Lighting Effect: Colorful Light DPI: 800/1600/2400 (Adjustable) Keyboard Key Life: More Than 10 Million Times 1 x Gaming Keyboard 1 x Gaming Mouse 1 x USB Receiver 1 x Mouse Pad 1 x Charging Cable 1 x Manual