g-cord wireless mechanical gaming keyboard, 104 keys wired keyboard, led backlit, brown switch, aluminum top frame g-cord <b>what is a mechanical keyboard? </b> <br> a mechanical keyboard is a keyboard built with high quality, typically spring activated, key switches. these key switches vary based on the keyboard’s application or user preference. <br> the g-cord mechanical keyboard switch system was purpose built to deliver extremely low friction, extended durability, and excellent key feel, make it perfect for office. <br><br> g-cord wireless keyboard designed for high effeciency work which demand both high performance capabilities of mechanical switches and the freedom of wireless connection. <br> super fast 1 ms report rate, advanced mechanical performance, and amazing battery life. <br><br> <br><b>wireless and wired mode </b><br> 2 different using modes <br> wireless mode: use the usb receiver <br> wired mode: connects the cable to the computer, the keyboard will automatically convert to the wired mode. <br><br> <b>6 led light effects</b> <br> immersive lighting effects: always light, horizontal streamer, vertical streamer, gradual light, light with press, no light <br> press fn and f9 simultaneously to change the light effect. <br><br> <b>specifications</b> <br> frame: aluminum<br> charging time: 4-5 hours <br> (1300mah large-capacity lithium battery) <br> playing time: about 600 hours for normal use<br> key number: 104 keys <br> product size: 17.24 x 5.31 x 1.50’’ <br> body weight: 866g/ 30.56oz <br> durability: 50 million key presses <br> switch: brown switch <br> size: full size <br> backlights: led backlit <br> keycap: removable<br><br> <b>compatible system </b><br> windows xp / vista / win7 / win8 / win10/ mac os x/ os x/ mac os/ ibm or other compatible computer. <br><br> <b>package included </b><br> 1 x g-cord wireless keyboard<br> 1 x micro usb cable(around 1.5m/ 5ft) <br> 1 x usb receiver <br> 1 x keycap puller<br> 1 x user manual<br><br> <b>warranty information</b><br> 1-year limited hardware warranty.