[LED Mixed Color Backlit]Colorful LED light backlit ,it makes the keys easy to see even in the dark,the light is soft to protect your eyes.NOTE:The backlight cann't be change in one color,it's rainbow and changed automatically. [Compact 87 keys Design Save Space]No additional number keys,can meet you demands in office or home ,you will be satified at how much space you save. [System Compatibility]Windows 8, Windows 7, Windows Vista, Windows XP.PC Laptop Pad Google Android TV Box HTPC IPTV Smart TV Mac IOS Raspberry Pi all version. [Good Quality but cheap]ABS keycaps design product the letter of characters not fade.Enjoy yourself with the payment more than what you've paid. [after-sales service]We provide refund without any reason in 30 days,12-month quality guarantee, If you have any problem during the use ,hope you could send message to us firstly and we will try to help you in time.