High-end optical engine, precise positioning. 7 buttons, including Buttons: Left, Right, Scroll Wheel, DPI +,DPI -, Advance, Retreat Adjustable 1200 / 1600 / 2400 / 3200DPI. Ergonomical design, comfortable Press, long-term use without fatigue. Intelligent connectivity, plug and play. Long switch life up to 10 million. Total 7 bright colors showing in turns, giving you a colorful visual . Suitable for high-end players, gaming professional players. Light mode: 1.Luminous characteristics: LED color backlight, more cool at night. 2. The keyboard backlight function is controlled as follows: FN+ESC button for light switching off function. 3. Can be configured into different kinds of language versions according to customer needs. 4. The keyboard supports running on Win 2000, Win XP, Win ME, Vista, Win7, Win8, Androed, Linux, and other operating systems. FN combination function Support multimedia function keys, the operation is as follows: (1).FN+F1 button: music player (2).FN+F2 key: volume decrement (3).FN+F3 button: increased decrement (4).FN+F4 button: mute (5).FN+F5 key: pause HXSJ brand High-end optical professional gaming mouse with 7 bright colors LED backlit and ergonomics design for comfortable Press, long-term use without fatigue. Material:ABS colour:Black Package Contents: 1 set x converter 1 x One-handed keyboard 1 x mouse Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.