[ 7 Unique Backlight Color ] -7 Elegant LED backlight with breath light mode and auto sleep feature to maximize usage.(note:The backlight will work well after the pairing is successful)[Broad Compatibility ] -Use with all four major operating systems supporting Bluetooth (iOS, , OS and Windows), including 97 inch 6 2018, 5 2017 / 105 inch, 11 inch and 129 inch Pro, , 2 / mini 4, 3, 2, 1 / / Tablets like Galaxy Tab, Google Nexus / Windows / , etc.[With Touchpad ] -Bluetooth keyboard with touchpadwith left and right clickcontrol keyboardEasy to operate your equipment.Item Type: English Bluetooth Version: Bluetooth 30Lithium Battery: 500mAhTouchpad: with left and right clickcontrol keyboardOperating Range: Up to 5 metersWorking Voltage: 475V~525VWorking Current: less than 25MAStandby Current: less than 05MAColour: blackMaterial: ABSSize: 257 x 172cmPackage Contents:1 x Backlight KeyboardOnly the above package content, other products are not included.Note: Light reflection 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.