This keyboard mouse headphone mousepad set is made of , which can withstand use. Features the ABS material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Material: ABS -Size: 44.00X14.00X4.00cm/17.29X5.50X1.57in - Ergonomic design, more comfortable grip and not feeling tired after long time using. - design, you do not need to install driver, easy to use. - : up to using times for mouse and 1000000 using times for keyboard. - Colorful backlit keyboard, headphone and mouse, fashionable and stylish. - It is manufactured with technology to ensure the high- of the product and can work for a long time. Specification Keyboard: Number of key: 104 Connector: USB 2.0 Cable length: 1.5m Mouse: : 1200/1600/2400 Number of button: 4 Connector: USB 2.0 Cable length: 1.35m Headphone: Speaker: 50mm diameter Impedance: 32ohms +/- 15% Cable length: 2.1m Rated power: 40mW Connector: 3.5mm and USB Sensitivity: 115dB+/-3dB Package list: 1 x mouse 1 x keyboard 1 x headphone 1 x mouse pad