[Quick Switch to 4 Devices]: The bluetooth keyboard has 4 bluetooth channels enabled to support up to four bluetooth devices simultaneously and easily switch between them. NOTE: For Desktop PC Laptop without bluetooth,you need to insert a third-party bluetooth adapter (Not Included) to install bluetooth driver before use [7 - Color Backlit Wireless Keyboard]: 7 cool colors LED backlight for you choose.Free to change the light colors,brightness and make it easy and comfortable typing in darkness. The backlight can be turned on and off [Broad Compatibility]: This multi device keyboard can work on PC,laptops,computers, tablets,smart phones or other devices .It is widely compatible with Windows/Mac OS/iOS/Android System.F1-F12 Multi-media shortcuts keys combined with Fn key can quickly get an access to play/pause,volume control,homepage,etc [Rechargeable & Sleep Mode]: Built-in a rechargeable 1600mAh lithium battery,no need to change AA or AAA batteries any more.The wireless keyboard can be easily recharged through Type C cable included. It will automatically enter the sleep mode after 30 minutes of inactivity for providing longer working time.The ON/OFF switch near charging port can also help you save battery power [Fashion & Humanized Design]: Metal plating embellishment,extravagant and fashion.The rubber pads on the bottom prevent keyboard from moving.Thanks to its ergonomic design,you can use the bluetooth keyboard more comfortably for a long time without fatigue