wireless gaming keyboard and mouse,rainbow backlit rechargeable keyboard mouse with 3800mah battery metal panel,removable hand rest mechanical feel keyboard and 7 color gaming mute mouse for pc gamers lexonelec <p><b>k680 wireless rechargeable keyboard and mouse combo removable hand rest</b> is born for gaming. the high performance ensure you faster and stronger during every competition. the ergonomic design makes you more comfortable during long time gaming. <br> <br> <b>keyboard specifications:</b><br> 1 normal keys: 104<br> 2 keyboard dimensions: about 455*175*45mm<br> 3interface type: usb (2.4ghz wireless connection)<br> 4built-in battery capacity:3000mah<br> 5 system support: windows 7 / 8 / 10 / vista / xp / mac os / linux and latest<br> 6light effects: rainbow led backlit<br> fn del: three backlight state switches (standard light - breathing light - off)<br> fn + ↑/↓: enhance/reduce backlight brightness <br> fn + ←/→: speed up / slow down the backlight of breathing light speed<br> <br> <b>mouse features:</b><br> 1 mouse dimensions:125*65*40mm<br> 2 customize dpi switch: 800/1200/1600/2400dpi. <br> 3 built-in battery capacity: 800mah<br> 4 light effects: seven color breathing lights (mouse backlight color can not be adjusted)<br> 5 buttons: 6 buttons with scroll wheel (two side-buttons, one dpi switch)<br> <br> <b>note:</b><br> 1. before the keyboard is used, turn the switch on the side of the keyboard and the bottom of the mouse to the on position.<br> 2, the keyboard and mouse share a receiver, the receiver is at the bottom of the mouse<br> 3. when the mouse snake head light is dimmed or off, you need to charge the mouse.<br> when the lock light on the keyboard is flashing, you need to charge the keyboard.<br> 4.the keyboard and mouse are charged using a dc power supply of 5v.<br> <br> <b>packing included:</b> <br> 1x gaming keyboard and mouse set (retail package) <br> 1x charging cable<br> 1x removable hand rest<br> 1x instruction user manual</p>